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【单选题】
ICMP 协议属于 TCP/IP 网络中的 ______ 协议, ICMP 报文封装在 ______ 协议数据单元中传送。A.
数据链路层， ARP 协议
B.
网络层， IP 协议
C.
传输层， TCP 协议
D.
应用层， HTTP 协议
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【单选题】If we had enough time to prepare, the result______ much better.
A.
would be
B.
would have been
C.
had been
D.
were
【单选题】If we __________enough rain last year, we___________a good harvest this year. [ ]
A.
had had; would have gained
B.
had had; would gain
C.
had ; would have gained
D.
had ; would gain
【单选题】We had to ______ our visit to the pyramids because we didn’t have enough time to see them before we left Egypt.
A.
prohibit
B.
postpone
C.
predict
D.
preserve
【单选题】If we'd had enough time and resources, I'm sure we could have done the work ________.
A.
start-up
B.
in-house
C.
off-line
【单选题】听力原文：W: Have you had the brakes and tires checked? And do you have enough money? M: I'm taking care of everything, and I'm sure it's going to be a wonderful trip. Q: What's the woman going to do? (16)
A.
Buy some traveler's checks.
B.
Borrow some money from a friend.
C.
Check the brakes and tires.
D.
Spend some time traveling.
【简答题】We ________ to start our own business, but we never had enough money. A) have hoped B) hope C) had hoped D) should hope
【单选题】We had to ______ our visit to the Bird Nest because we didn’t have enough time to see them before we left Beijing.
A.
prohibit
B.
postpone
C.
promote
D.
deposit
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