单选题Ernest Rutherford, a scientist when measuring the charge and mass of alpha particles, discovered that they are virtually identical to the nuclei of helium atoms.A a scientist when measuring the charge and mass of alpha particlesB a scientist who measur

题目

单选题

Ernest Rutherford, a scientist when measuring the charge and mass of alpha particles, discovered that they are virtually identical to the nuclei of helium atoms.

a scientist when measuring the charge and mass of alpha particles

a scientist who measured the charge and mass of alpha particles

a scientist which measured the charge and mass of alpha particles

measuring the charge and mass of alpha particles, was a scientist when he

being the one who measured the mass and charge of alpha particles as a scientist

参考答案和解析

正确答案： E

解析：
代词when只能用来指代时间，应该用who代替。

如果没有搜索结果或未解决您的问题，请直接联系老师获取答案。

相似问题和答案

第1题：

The scientist and professor ( )our meeting.

A、were to attend

B、are to attend

C、is to attend

D、is attend

参考答案：C

第2题：

When will an Engineer Officer in charge of watch call Chief Engineer?

正确答案：When engine damage or malfunction occurs which may be such as to endanger the safe operation of the ship; when any malfunction occurs which it is believed, may cause damage or break down of propulsion machinery, auxiliary machinery or monitoring and governing systems; and in any emergency or if in any doubt as to what decision or measure to be taken.

第3题：

There are two types of twins: identical and non-identical twins. Identical twins are formed from a single egg in mother's body which divides to form. two separate babies. Identical twins look the same and are often dressed by their parents in clothes of the same colors. It is often difficult to tell identical twins from each other, even when they are standing side by side. Non-identical twins come into being when the mother produces two separated eggs at the same time, both of which grow to form. babies. In this case the twins look like normal brothers and sisters and are easy to tell one from the other.

In the 1970s and 1980s a scientist did some research into twins. He invited many pairs of identical twins to university and asked them to take part in a week of tests. He was particularly interested in adopted (收养) twins who had been separated at birth. He would give the twins different kinds of tests to study their speed of thinking, their speech, their memory, the ways they saw and heard different things, and so on. Time and time again he found separated twins who preferred clothes of the same color, used the same kind of shaving soap, wore the same shaped square glasses and the same colored socks.

There is a third type of twins, but it is a very unusual one. Twins who are joined together at birth are known in western countries as Siamese twins.

(1)It is difficult to tell identical twins because ____________.

A、they are dressed in the same clothes

B、they are dressed in the same color

C、they are very alike

D、they are standing side by side

(2)If the twins are easy to tell from each other, they are ____________.

A、very probably non-identical twins

B、surely non-identical twins

C、surely identical twins

D、always a brother and a sister

(3)Which of the following is NOT true according to this passage?

A、In the 1970s and 1980s a scientist did some research into the two main types of twins.

B、In the week of tests, he tested their speed of thinking, their speech, their memory and some other things.

C、There were twins who had been separated from each other as soon as they were born.

D、Very often, separated twins were found to choose things of the same kind, the same shape and the same color.

(4)According to the passage, how many types of twins are there actually?

A、one

B、two

C、three

D、four

(5)This passage mainly tells us ____________.

A、the main types of twins

B、what has been found out about twins

C、how twins are formed

D、how a scientist studied twins

参考答案：CAACB

第4题：

One of the greatest contributions ofFreud is that he elaborated the structure of human psyche as "Id","Ego" and "Superego". "Ego" is the natural humanpsychological characteristic that changes everything in its way and makeseveryone a victim to undesirable consequences in their life. The pride andself-esteem if they are overrated in our mind will be shown in the form of Ego.The Human Ego conceals our "natural intellect" to create falseownership over every object. Here is an interesting story which couldillustrate the case.
Once there was a scientist who worked hardall through his life to make exact human physical body replicas of himself. Hemastered the art so perfectly that one could not easily tell the replica fromthe original. According to the natural process, the Angel Death knocked at hisdoor. The Angel Death felt puzzled by looking at the thirteen same persons.Obviously unable to recognize the original person, the Angel returned in vain.The scientist got the illusion that he can avoid death easily.
Nevertheless the Angel Death who has clearunderstanding of human life did not give up and came back with a trick Sheagain approached the scientist and was staring at the thirteen human figures.
Then she told the scientist, "You havemanaged everything correctly but you could not avoid a small flaw whilereproducing yourself′. The scientist hurriedly spoke out the small flaw that itwas impossible in his work. Then he was caught by Angel Death.
The Ego blinds us to hide reality, so wetend to make small mistakes though we are given greater skills and strength.Therefore each one of us has to be careful about our accomplishments andachievements so that we don′t make us blind toward this living world whereevery individual is presented upon with equal grace and strength. Thus we haveto decrease the feeling of "All is I" and increase the feeling of"I am nothing before All", which makes us proud of everything wehave.
How did the Angel Death find out theoriginal of the scientist?

A.By her own naked eyes.
B.By finding the flaw of the scientist.
C.By cheating the scientist.
D.By making small mistakes.

答案：C

解析：

推断题。第三段第一句提到死神“cameback with a trick”，结合下文科学家因为自己说话而被死神发现了。所以死神并未找到科学家复制品的缺陷，她只是利用诡计使科学家暴露了自己，故选C。

第5题：

A ______ is one which affects almost the entire load virtually instantaneously．

A.mass explosion

B.projection

C.fire

D.flowing

正确答案：A

第6题：

I______to be a scientist when I______ a boy.

A、wanted, was

B、want, am

C、wanted, am

D、want, was

正确答案：A

第7题：

Portable carbon dioxide fire extinguishers should be sent ashore to be recharged

A.when the remaining charge volume is less than 90 percent of the required volume

B.at each inspection for certification

C.at each annual inspection

D.when the weight loss exceeds 10% of weight of charge

正确答案：D

第8题：

There's still no () evidence that supports the scientist's theory.

A、clear

B、obvious

C、valid

D、true

参考答案：C

第9题：

When you write a cheque,the bank will______you 2 dollars.

A.cost
B.spend
C.save
D.charge

答案：D

解析：

本题考查的内容为“花费”。题目意为“你每开一张支票，银行都会收取你2美元的费用”。A项cost的用法为“sth.cost(s)sb.+钱数”意为“某物花费某人多少钱”。B项spend的用法为“sb.spend(s)+时间/钱数on sth.”意为“某人在某事上花费了多少钱（或时间）”。C项save的用法为“sth.save(s)+钱数for sb.”意为“某物为某人节约多少钱”。D项charge的用法为“sb./sth.Charge(s)sb+钱数”意为“某人或某机构收取某人多少钱的费用”。因此选D。

第10题：

Robert will be in charge of the company when the manager is away.

A:run
B:operate
C:control
D:be responsible for

答案：D

解析：

本句意思：“当经理不在时，罗伯特是公司的负责人。" be in charge of：对……负责。be responsible for：对……负责任。例如：Any person should be responsible for his own destiny．每个人都要为自己的命运负责。run：经营。例如：He has little experience in how to run a company．他对于如何经营一家公司毫无经验。operate：经营，使运作。例如：The new law allows foreign banks to operate in the country．新法允许外国银行在该国开展业务。control：控i。 He controlled his anger and left the school．他压住怒火离开了学校。

单选题Ernest Rutherford, a scientist when measuring the charge and mass of alpha particles, discovered that they are virtually identical to the nuclei of helium atoms.A a scientist when measuring the charge and mass of alpha particlesB a scientist who measur

题目

参考答案和解析

相似问题和答案

更多相关问题

相关内容