北航12春《大学英语预备级2》在线作业1-3答案

北航《大学英语预备级2》在线作业一

一,单选题

1. Waiter:（ ）? Sir: OK, banana ice cream with hot chocolate sauce.
A. Are you ready to order, sir
B. What do you want to eat, sir
C. What can I do for you
D. Is that OK
正确答案：A

2. “Where（ ）my　umbrella?”“Somebody（ ）it　away　by　mistake.”
A. is,　must　have　taken
B. is,　must　take
C. have　been,　must　take
D. is,　takes
正确答案：A

3. Even though he knew that I should study, he still（ ）me to go to the movies.
A. recognized
B. extended
C. persuaded
D. unexpected
正确答案：C

4. Nothing but books （ ）sold in this shop.
A. be
B. is
C. are
D. to be
正确答案：B

5. Mother keeps crying all the night; she did not have a good time , （ ） she ?
A. hadn’t
B. had
C. did
D. weren’t
正确答案：C