根据《建设项目工程总承包合同示范文本（试行）》（GF-2011-0216）的规定，工程总承包合同采用的合同类

According to the passage, which of the following can NOT be typed into the same category？

A． Cloud

B． Sheep

C． Trees

D． Goose

According to the passage, ______.

A．security alarm systems can only be installed in commercial and industrial establishments and in large homes

B．security alarm systems are still very expensive

C．now, people can buy low-cost security alarm systems and install themselves

D．security alarm systems can't scare off vandals

According to the passage, we can see that______.

A．the speed of sound is only half that of a Concorde

B．the rocket is the fastest and least difficult means of travel

C．a supersonic plane can fly the Pacific in only eighteen minutes

D．people will spend less time on the ground as air travel is getting faster

According to the passage, which of the following statements is true？

A．You can become well educated only by observing.

B．Education is not as important as observation in developing yourself.

C．To develop yourself is to have your mind grow.

D．Books and teachers are the only sources for you to get information.

According to the passage， the use of other metals in gold alloys________.

I . can be used to make the gold different color

Ⅱ. makes jewelry more expensive

Ⅲ. makes gold more flexible 查看材料

A.I only

B.Ⅰ and Ⅱ only

C.Ⅱ and Ⅲ only

D.I ，Ⅱ，and Ⅲ

According to the passage,recycling paper is important because____。

A．better paper sacks can be made out of waste paper.

B． the prices of new paper are very high.

C．trees are no longer available in the developed countries.

D．more trees on earth can be saved.

According to the passage, ______.

A．security alarm systems can only be installed in commercial and industrial establishments and in large homes

B．security alarm systems are still very expensive

C．now, people can buy low-cost security alarm systems and install themselves

D．security alarm systems can't scare off vandals

听力原文：What are the advantages of E-mailing according to the passage？

What are the advantages of E-mailing according to the passage？

It is not only fast, but also can create____________and draw families closer.

According to the passage, which of the following statements is true？

A．Moths are blind insects at daytime.

B．Moths use their color receptors only at night.

C．Moths have special structure at the base of the eye.

D．Moths can see color only at night.

Which of the following statements is true, according to the passage？

A．Acid deposition kills the trees, birds and animals in a direct way.

B．Acid rain causes not only global warming but also more other effects.

C．Acid rain, though adverse, is one of the advantages industry brings us.

D．Acid rain is adverse only because it releases carbon or sulfur dioxide, and others.