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The reference to pieces of debris in Passage 1 (line 3) is u

题目
单选题
The reference to pieces of debris in Passage 1 (line 3) is used to ______.
A

highlight the potential uses of stone implement

B

contrast this early innovation with those of later generations

C

suggest that these devices are man's greatest achievement

D

emphasize the significance of the creation of these tools

E

imply that these tools were made from inferior materials

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相似问题和答案

第1题：

问答题
When looking at satellite photographs of the area affected by Hurricane Katrina, the effects of the massive storm are　　　　　A　　　　　　　　　　　　　　　　　　　　　　　　B　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　Cclearly visible. No error　　D　　　　　　　 E

正确答案： A
解析：
这个句子包含一个悬垂修饰语。“When looking ”这个悬垂分词不正确，因为它表明的是“the effects were looking”不符合逻辑。因此“When looking ”因改为“When one looks”。

第2题：

单选题
How many different four-digit integers can be formed using the digits 3, 4, 5, 6, 7, 8, 9 if the tens digit is 5 and no digit is repeated within an integer?
A

16

B

45

C

63

D

120

E

840


正确答案： A
解析：
首先需要想一下每个位置有几种选择，然后将这些选择相城可得出结果。因为十位数上数字已经确认定，所以只能有一种选择，又因为一个数中3, 4, 5, 6, 7, 8, 9不能重复，个位上有6中选择，那么百位上和千位上则分别有5种和4种选择，故总的可能为4×5×1×6=120种。

第3题：

单选题
Based on the information in the passage, which of the following statements is most likely to be true?
A

Both host parents work full time.

B

The author was raised speaking French.

C

The host parents are younger than age 40.

D

The host family attends church regularly.

E

The author is a senior in high school.


正确答案： D
解析：
文中作者提到“Marie－Alienor and Isaure hold my hands for the entire church service every Sunday,”，故选D项。

第4题：

单选题
Mrs. Barnum’s students had just finished listening to her boring lecture which made them happy.
A

listening to her boring lecture which made them happy

B

listening to her happily boring lecture that was over

C

listening to her boring lecture, happy that it was over

D

happily listening to her boring lecture

E

being happy at her boring lecture being over


正确答案： C
解析：
A，B，D项中都含有修饰上的错误。A和D项中的“happy”与“boring”相矛盾。B项中的将讲座形容为“happily boring”不合理。E项中的“happy at”不是固定搭配。只有C项表述的意思正确。

第5题：

单选题
Which of the following revisions of sentence 7 most clearly and logically introduces the second paragraph?
A

This historical episode is something that all students should learn about in school.

B

Understanding this phenomenon may help students to improve their studies.

C

Nevertheless, this episode is something that all students should know.

D

Understanding this episode requires a more thorough understanding of its historical setting.

E

Many have tried to understand this phenomenon, but few have succeeded.


正确答案： E
解析：
第一段话以对那个思想的描述结尾。第二段开头阐释了学生怎样在日常生活中体验那个思想的，并进一步解释它是如何帮助学生们度过思维冷却期。B选项是对这段话内容的引入，因为它解释了会运用这个现象的学生能提高他们的学习。

第6题：

单选题
The author implies that medieval Italians believed the giraffe and camel to have in common which of the following traits?I. speedII. countenanceII. wisdom
A

I and II

B

I and m

C

II only

D

II and III

E

III only


正确答案： D
解析：
文中提到骆驼和长颈鹿的长相相似。第四段作者提到中世纪的欧洲人认为长颈鹿和骆驼一样有智慧。但是文中没提到骆驼的前进速度快，故选D。

第7题：

单选题
The requirements for raising a child according to a well-known psychologist is discipline rather than uncontrolled anger and executive punishment.
A

The requirements for raising a child according to a well-known psychologist is

B

To raise a child, according to a well-known psychologist, it requires

C

According to a well-known psychologist, raising a child requires

D

In raising a child is required, according to a well-known psychologist

E

As for raising a child according to a well-known psychologist


正确答案： A
解析：
A项主谓不一致。B项代词指代模糊。D和E项不恰当。C项简洁且表意清晰。

第8题：

单选题
Two polygons must congruent if ______.
A

they are both regular

B

they have the same number of sides

C

their corresponding sides and angles are equal

D

their corresponding sides are equal

E

they have the same shape


正确答案： C
解析：
Two polygons are congruent if their corresponding sides and angles are equal.

第9题：

单选题
(1 + sinθ)(1 - sinθ) = ______.
A

1 - sinθ

B

cos2θ

C

1-2sinθ+sin2θ

D

cosθ


正确答案： B
解析：
Recall that sin2θ+ cos2θ = 1, so cos2θ = 1 - sin2θ. (1 + sinθ)(1 - sinθ)= 1 - sin2θ= cos2θ.

第10题：

单选题
Which of the following, if true, would most undermine the arguments of the Italian historians (line 59) in the final paragraph?
A

Residents of Siena identify with their neighborhoods, not with the city as a whole.

B

Contemporary Italians feel little sympathy for colonial exploits.

C

The designer of the imperial crest most admired giraffes for their size and gentleness.

D

Horse－racing requires speed but little endurance.

E

The imperial crest was commissioned by a nobleman whose private menagerie included a leopard and two camels.


正确答案： D
解析：
文中最后一段最后一句提到历史学家认为“the imperiale designation is owing to the qualities prescribed to the giraffe”长颈鹿拥有豹子的速度和优雅以及骆驼的耐力，C选项内容与专家观点不同，故选C。

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