1972年,经济合作与发展组织正式提出()这一概念。
A.公共选择
B.服务贸易
C.自由市场
D.全球化
参考答案:B
Jim Green is an announcer(播音员)for the program(节目). Most of the girls___1____ boys like the program. They ___2___like Jim Green. Some of them often make phone calls to him and thank him ___3___ his work. There are lots of ___4___ to him every day, too.
Jim Green gets up at 6:00 every morning. He has bread and a glass of milk ___5___ breakfast. He leaves home at 6:30 and gets to his office at 7:15.
The program ___6____ at 7:30.He plays the new records (唱片)of the pop songs and modern music for his listeners. At 8:00 it’s time ___7____ the news.
Jim finishes work at 10:30. He goes home ____8___ his car. He ___9___ newspaper and listens to music _____10 _____ supper.
He thinks his life is very interesting.
1.A and B with C but D about
2.A too B to C also D so
3.A to B for C to D and
4.A letter B letters C friends D words
5.A at B with C for D to
6.A begins B finishes C over D start
7.A to B for C of D in
8.A by B in C on D takes
9.A looks B reads C sees D watches
10.
A.for
B.with
C.after
D.to
影响ADSL传输的因素中,衰减与频率的关系是().
A.频率越高,衰减越大
B.频率越高,衰减越小
C.频率与衰减无关
D.频率越低,衰减越大