第1题:
You added a PHONE_NUMBER column of NUMBER data type to an existing EMPLOYEES table. The EMPLOYEES table already contains records of 100 employees. Now, you want to enter the phone numbers of each of the 100 employees into the table. Some of the employees may not have a phone number available. Which data manipulation operation do you perform? ()
A. MERGE
B. INSERT
C. UPDATE
D. ADD
E. ENTER
F. You cannot enter the phone numbers for the existing employee records.
第2题:
28. Which of the following may the author disagree?
A. Sitting up slowly without using your hands helps burn calories.
B. Eating apples every day is good for people's health.
C. You have to join a gym if you want to lose weight.
D. It’s good to walk around while talking on the mobile phone.
第3题:
A.make
B.leave
C.have
D.take
第4题:
第5题:
第6题:
You can`t keep these things,such as (),in your carry-on baggage.
A.a passenger
B.big scissors
C.kitchen
D.mobile phone
第7题:
第8题:
I want to look for a smart phone priced about 1000 Yuan. Do you have some to recommend?
A、 Of course, please take a look at this one
B、 It is very kind of you
C、 Thank you
第9题:
第10题: