[单项选择]The two delegates had an in-depth exchange of views on how to enhance their cooperation ______.
A. ethical
B. bilateral
C. mandatory
D. subsidiary

[单项选择]The two delegates had an in-depth exchange of views on how to enhance their ______ cooperation.
A. ethical
B. bilateral
C. mandatory
D. subsidiary

[单项选择]The delegates had no time for luncheon, but they made ______ with sandwiches.
A. done
B. do
C. to do
D. doing

[单项选择]The two psychologists had to modify the American Sign Language somewhat in order to accommodate the chimpanzees' spontaneous gestures.
A. change
B. abort
C. shorten
D. enhance

[单项选择]The two farmers had to sell their apples at a low price because______. [A] theirs weren't as good as the others' [B] theirs were much less than the others' [C] a lot of apples had been already carried to the city

[单项选择]

Passage Two I had just gone to bed after a very hard day when the phone rang. It was an eccentric(怪僻的) farmer. I had never met him before although I had heard people talk about him. He sounded quite nervous and he had been talking for a minute or so before I understood anything. Even then all I could make out was that someone called Milly had had a very bad accident. I hadn’t the slightest idea who she was but I obviously had to go. It had been snowing heavily that day and I didn’t know the way. I had been driving for at least an hour when I finally found his place. He was standing there, waiting for me. "She meant more to me than anyone... even my own wife!" he said. I could see that he had been crying. I thought something terrible had taken place, a possible scandal(丑闻). I was even more shocked when he told me he had put her in the barn(厩)"I wouldn’t leave here out in the cold!" he said. Milly had clearly been a secret lover o
A. She was seriously ill.
B. She was hidden somewhere.
C. She had met with an accident.
D. She had caused a scandal.

[单项选择]Two autonomous networks who wish to exchange routing data should use which of the following protocols?（）
A. OSPF
B. BGP
C. EIGRP
D. IS-IS

[单项选择]A forward exchange rate can move for two reasons: (1) because the spot rate moves, and (2) ______.
A. because of changes in interest rate which affect the forward rates
B. because of changes in interest rate which affect the forward differential
C. for the changes in interest rate affect the forward rates
D. because of changes in interest rate which affect the spot rates

[单项选择]She had two daughters, became doctors.
A. all the them
B. all of who
C. both of whom
D. all of whom