[单项选择]No one from your company will be able to go with us ______ our first trip to London.
A. on
B. for
C. in
D. at

[单项选择]Perhaps you have life insurance from your company that will pay off.
A. 也许你的公司将会为你一次付清购买人寿保险的费用。
B. 也许你的公司会把工资付清给你的，这样你就有钱买人寿保险。
C. 也许你已经通过公司购买了将来会获得赔付的人寿保险。
D. 也许你的公司给你购买了人寿保险，将来会获得赔付。

[多项选择]Your company plans on migrating their network from IPv4 to IPv6 in the near future. Which three techniques can be used to transition from IPv4 to IPv6？（）
A. Dual stack
B. NAT
C. Flow label
D. Mobile IP
E. 6to4 tunneling
F. Anycast
G. MBGP

[单项选择]I'm afraid I won't be able to go to the Great Wall tomorrow, because I haven't been feeling very well the last two or three days and the doctor told me to stay at home and rest.
A. 恐怕我明天不能去游览长城。我的病在接下来的两三天内都不会好，所以医生要我呆在家，不能到处乱走。
B. 恐怕我明天不能去游览长城。我的病在接下来的两三天内都不会好，所以医生要我呆在家休息。
C. 恐怕我明天不能去游览长城。最近两三天我感到很不舒服，医生要我呆在家里休息。
D. 恐怕我明天不能去游览长城。最近两三天我感到很不舒服，医生要我呆在家里，不要到处乱走。

[单项选择]______ he comes, we will be able to go.
A. Without
B. Unless
C. Except
D. Even

[单项选择]Henry's wife wouldn't be able to go to Mary's party ________.

[单项选择]______ he comes, we won't be able to go.
A. Without
B. Unless
C. That
D. Because

[单项选择]Your wish to go for a walk does not ______ your leaving the baby alone in the house.
A. rectify
B. notify
C. signify
D. justify

[单项选择]Modesty helps one go forward ______ conceit makes one lag behind.
A. and
B. for
C. because
D. while

[单项选择]The first step is to __ your problem and go to work on it.
A. recognize
B. revenge
C. recollect
D. receive

[单项选择]

Losing a job or not being able to find one almost always brings unwelcome changes. If you've lost a job, the first feeling is often one of shock. On top of the loss of income, many people find the whole routine of their life is shattered, their contact with other people reduced, their ambitions halted and their identity as a worker removed. There may be good feelings too -- it' s nice to be able to lie in bed in the morning, to spend more time with children, or to have more time to think -- a better job may be just around the corner. But, unless a better job does turn up, chances are the days start getting longer and the time becomes harder to fill. Many people pass through periods of difficulty in sleeping and eating. They feel irritable and depressed, often isolated and lonely. Despite all these problems, unemployment can be a chance for a fresh start. You can discover that it provides an opportunity to sort out or rethink what you want from life and how best you can ge
A. have more time to think
B. have a new and better job
C. have more time to visit friends
D. spend more time with children