A. look up
B. look into
C. look after
D. look out
第1题:
Susan: Let's go to the restaurant and have dinner right now!
Marilyn: OK. Let's get in.
Susan: Thanks. _________.
A. After you
B. You go first
C. I'll follow you
D. Have fun
第2题:
低LET射线的LET值一般小于:()。
A、5KeV∕μm
B、10 KeV∕μm
C、15 KeV∕μm
D、20 KeV∕μm
E、25 KeV∕μm
第3题:
A. until
B. as soon as
C. while
D. before
第4题:
第5题:
第6题:
-I’ll do that.
64 let’s keep in touch
第7题:
第8题:
A. Oh,no,let's not
B. I'd rather stay at home
C. I'm glad to,but I have other plans
D. Thank you
第9题:
第10题: