题目内容

【题目】_______the virtual world of Real Cinethe headsets even have small openings _______ smells to match the environment.

A. Adding togive out B. Added togive off

C. To be added togiving off D. To add togiving out

【答案】D

【解析】非谓语动词和动词短语。句意:给Real Cine锦上添花的是,耳机上甚至有一些小孔,可以散发出与环境相匹配的气味。表示目的应该用动词不定式,排除AB;耳机上的小孔释放气味,这给Real Cine虚拟世界锦上添花,两者是主动关系,因此不用不定式的被动形式,排除Cgive off发出,释放;give out用完,宣布,分发,散发,释放;openingsgive out是主谓关系,即小孔散发出......,应该用现在分词表示伴随状况,故选D

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【题目】Every human being has a unique arrangement of the skin on his fingers and this arrangement is unchangeable. Scientists and experts have proved the uniqueness of finger-prints and discovered that no exactly similar pattern is passed on from parents to children, though nobody knows why this is the case.

The ridge(脊状)structure on a person's fingers does not change with growth and is not affected by surface injuries. Burns, cuts and other damage to the outer part of the skin will be replaced in time by new one which bears a reproduction of the original pattern. It is only when the inner skin is injured that the arrangement will be destroyed. Some criminals make use of this fact to remove their own finger-prints but this is a dangerous and rare step to take.

Finger-prints can be made very easily with printer's ink. They can be recorded easily. With special methods, identification can be achieved successfully within a short time. Because of the simplicity and economy of this system, finger-prints have often been used as a method of solving criminal case. A suspected man may deny a charge but this may be in vain. His finger-prints can prove who he is even if his appearance has been changed by age or accident.

When a suspect leaves finger-prints behind at the scene of a crime, they are difficult to detect with the naked eye. Special techniques are used to "develop" them. Some of the marks found are incomplete but identification is possible if a print of a quarter of an inch square can be obtained.

【1】Scientists and experts have proved that the pattern of a human being's finger skin__ ___

A. is similar to his mother's

B. is valuable to himself only

C. is like that of others with the same type of blood.

D. is different from that of all others

【2】If your fingers are wounded by knife, fire or other means, the structure of skin will____.

A. be changed partly

B. be replaced by a different one

C. be the same when the wound is recovered

D. become ugly

【3】Some criminals remove their own finger-prints by ____.

A. using printer's ink

B. injuring the inner skin

C. damaging the outer skin

D. damaging the color

【4】Finger-prints have often been used as a method of solving criminal case because it_____.

A. is complicated but reliable

B. is simple and not expensive

C. is expensive but easy to do

D. can bring a lot of money

【5】It is ________for a criminal to deny his crime when finger-prints are used to identify him.

A. worth trying B. successful C. useful D. useless

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