[单项选择]The UN should ______ the establishment of Iraqi government after the war, I think.
A. take part in
B. play a leading role in
C. play a role among
D. play an important part for

[单项选择]Economic development should go hand in hand with environmental protection（）
A. 经济的发展必须以保护环境为前提。
B. 经济的发展应与保护环境一起进行。
C. 经济发展应与环境保护齐头并进。
D. 经济的发展与保护环境应互相参考。

[单项选择]If it rains, we should not go out, but the sky ______ perfectly clear.

[单项选择]-- Somebody should go to get Dr Brown immediately.
-- He's already been ______.


A. asked for
B. called for
C. sent for
D. looked for

[单项选择]

 It should go without saying that the focus of UML is modeling. However, what that means,exactly, can be an open-ended question. (1) is a means to capture ideas, relationships,decisions, and requirements in a well-defined notation that can be applied to many different domains. Modeling not only means different things to different people, but also it can use different pieces of UML depending on what you are trying to convey. In general,a UML model is made up of one or more (2) .A diagram graphically represents things, and the relationships between these things. These (3)can be representations of real-world objects,pure software constructs, or a description of the behavior of some other objects. It is common for an individual thing to show up on multiple diagrams; each diagram represents a particular interest, or view, of the thing being modeled. UML 2.0 divides diagrams into two categories:structural diagrams and behavioral diagrams.(4) are used to capture the physical organi
A. Programming
B. Analyzing
C. Designing
D. Modeling

[单项选择]The question arises as to ______ should go out this morning in this below-zero weather to clean the snow from the entrance.
A. which
B. who
C. whom
D. those who

[单项选择]A most ______ argument about who should go and fetch the bread from the kitchen was going on when I came in.
A. trivial
B. delicate
C. minor
D. miniature

[单项选择]______ something should go wrong, what would you do then


A. Supposing
B. Supposed
C. To be supposed
D. To suppose

[单项选择]She doesn't know ______ she should go with him.
A. if or not
B. whether or not
C. if not
D. whether not

[单项选择]Those______to go to the exhibition should inform the office.


A. not wanting
B. who not want
C. not wanted
D. are not want

[单项选择]Iraqi political leaders are bargaining to reach an agreement on ______.

[单项选择]You should keep it in the icebox,（） it will go bad.
A. and
B. or
C. but
D. so

[单项选择]Towards the role the scientific establishment is playing the author's attitude is that of ______.


A. criticism
B. approval
C. tolerance
D. apprehension