[单项选择]A) already C) in addition
B) of course D) yet


A. already
B. of course
C. in addition
D. yet

[单项选择]A) Apart from C) In addition
B) However D) As well


A. Apart from
B. However
C. In addition
D. As well

[填空题]

A．hour
B．four
C．pour
D．course

[单项选择]Convenience foods which are already prepared for cooking are______ in stores.
A. ready
B. available
C. probable
D. approachable

[单项选择]Speaker A: It' s already late. I think I' d better go now. And thank you for the dinner.Speaker B:______

[单项选择]Many Beijingers have already learned enough English to ______ a conversation with an English speaker.
A. go on
B. carry on
C. get off
D. get over

[单项选择]What course is the man taking


A. Astronomy.
B. Psychology.
C. Physical therapy.
D. Job counseling.

[单项选择]We have already represented several other manufacturers and believe you will allow us to give you similar services．


A. 我们已是其他几家厂商的代理，深信也能为贵公司效力。
B. 我们已经代理了其他几家厂商，相信您也允许我们为您提供代理服务。
C. 我们已代表了另外几家厂商，深信您也允许我们提供类似的服务。
D. 我们已是其他厂商的利益代表，深信也将是贵公司利益的忠实拥护者。

[单项选择]How long will the course take


A. 5 weeks.
B. 10 weeks.
C. One month.
D. Two months.

[单项选择]When does the second course begin


A. On July 3.
B. On July 20.
C. On July 24.
D. On August 10.

[单项选择]“在课程关系COURSE中，增加一门课程：('C01'，'电子商务'，'陈伟钢')。用关系代数表达式表示为：COURSE←COURSE∪('C01'，'电子商务'，'陈伟钢')。这是使用扩展关系操作中的( )。
A. 广义投影
B. 聚集
C. 外部并
D. 赋值

[单项选择]Many a way（）tried already.
A. has been
B. are
C. being
D. have

[单项选择]“在课程关系COURSE中，增加一门课程：（‘C01’，‘电子商务’，‘陈伟钢’）。”用关系代数表达式表示为：COURSE←COURS∪{（‘C01’，‘电子商务’，‘陈伟钢’）}。这是使用扩展关系操作中的（）。
A. 广义投影
B. 聚集
C. 外部并
D. 赋值

[单项选择]

Many mobile operators already offer a selection of television channels or individual shows, which are sent (1) across their third-generation (3G) networks. In South Korea, television is also sent to mobile phones via satellite and terrestrial broadcast networks, which is far more (2) than sending video across mobile networks; similar broadcasts will begin in Japan in April. Similar mobile-TV networks will also be built in Finland and America, and are being (3) in many other countries.
Meanwhile, Apple Computer, which (4) a video-capable version of its iPod portable music player in this October, is (5) a bargain with television networks to expand the (6) of shows that can be purchased (7) viewing on the device. And mobile TV was one of the big (8) at the world’s largest technology fair, the Consumer Electronic Show.
(9) all this activity, however, the (10) for mobile TV are unclear. For a s
A. additive
B. furthermore
C. another
D. further