[单项选择]I appreciated （） to the United States to study five years ago.
A. to have sent
B. be sent
C. being sent
D. to have been sent

[单项选择]

If you ever went to the United States to study in a college or a university, one of the first things you would have to do is to open a checking account. If you went to a bank to open an account, you would probably go through most of the following procedures. Not all banks have the same requirements for opening new accounts, of course, and the routine may vary somewhat.
First you would go to the New Account Department and fill out a signature card. In order to open an ac- count, you would have to offer proof of your identity(身份). A passport is one of the best kinds of identification to have, but other kinds are accepted, one of the most common being a driver’s license.
You would need to have a permanent address In the city, and you would also be asked to supply the name of a permanent resident who is willing to recommend you. For this purpose you could use the name of your landlord or landlady, for example, or the name of the foreign student advisor at the un
A. are completely the same for all banks
B. are completely different for all banks
C. vary a little from bank to bank
D. have to be accepted by the customers

[单项选择]FIV是
A. k⁺
B. Ca²⁺
C. Clˉ
D. Na⁺
E. HCO₃ˉ

[单项选择]_____ enough time to study, I would have been able to enter university.
A. Have I
B. I have
C. Had I
D. I had

[单项选择]—" May I speak to your manager Mr. Williams at five o,clock tonight "—“I'm sorry. Mr. Williams ___________ to a conference long before then."
A. will have gone
B. had gone
C. would have gone
D. has gone

[单项选择]______ enough time to study, I would have been able to enter university.
A. Have I
B. I have
C. Had I
D. I had

[单项选择]If one goes to study in the United States as an ESL student, ________.
A. he or she must use English as his or her own language
B. he or she must be a Canadian
C. his or her first language is not English
D. he or she must be a Chinese

[单项选择]___to the united states House of Representatives in 1791, Nathaniel Macon remained in office until 1815.
A. Election
B. Why he was elected
C. Elected
D. Who was elected

[单项选择]In 1787，delegates from the states held a meeting in Philadelphia to make the Articles of Confederation adequate. The meeting came to be called the ___________ .
A. First Continental Congress
B. Second Continental Congress
C. Constitutional Convention
D. Independent Convention

[单项选择]Geographers who study mobility are most probably interested in _______.
A. the fact that people of different nationalities or ethnical groups reside in different places
B. why people of one type prefer to isolate themselves from those of another type
C. peculiar characteristics of people from different countries in choosing living places
D. what types of people like to move frequently and why they keep changing their living places

[单项选择]It was in the United States that I made the ________ of Professor Jones.
A. acknowledgement
B. acquaintance
C. recognition
D. association

[单项选择]I was ______ study French yesterday, but I changed my mind.
A. to be starting
B. to start
C. to have started
D. to have been starting