251. The America’s selling weapons to Taiwan cast a shadow on the Sino-U.S relationship. Which of the following can explain the underlined part?
|
A．was a good omen on |
B．had ill effect on |
C．was at war with |
D．Effected |
250. Every year Harvard University awards to excellent foreign students in theoretical physics.
|
A．bonus |
B．scholarships |
C．rewards |
D．Pensions |
249. A_____ has taught us what atoms are made up of and how powerful the atom bomb is.
|
A．seaman |
B．salesman |
C．naturalist |
D．Scientist |
248. A group of the red scarves are playing on the seaside_______.
|
A．sand |
B．sands |
C．sail |
D．Salts |
247. He found it quite impossible to learn _____ well in less than 6 months so he registered for the next semester(term).
|
A．Russian |
B．Russians |
C．Russia |
D．Russias |
246. Nelson Mandela played and is still playing a leading ________ in ending apartheid(种族隔离政策) in South Africa.
|
A．use |
B．roles |
C．role |
D．Parts |
