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阅读下面短文,从短文后各题所给的四个选项(A,B,C,D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

For centuries, magicians have used various ways to shock the audience. We all have seen how a   36   performer carefully steps   37   a bed of burning coals -- barefoot. Then he walks across   38   a single burn on his feet. Is it mind over matter, or is it just physics? As it turns   __39  , walking on burning coals isn’t that hot as   40  . “The coals are hot enough to   41__  you, but if you walk quickly across them you   42   being burned.” says Jonathan Hall, a physician at Penn State University in Eric Pennsylvania.

That’s because some coals are made   43   burning wood chips. Wood has two   44__   properties(特性)for fire-walking, explains Hall. First, wood is an insulator(绝缘体)--it doesn’t   __45   heat very well. “It   46 _ time for heat to travel   47   the wood to your feet.” Hall says. If the performer walked across red-hot metal   48  , that would truly be   49  , because metal conducts, or transmits, heat very well. The metal would   50   burn a performer’s feet.

Second, wood has a low specific heat-- it doesn’t take much heat to   51   its temperature. Heat is a form of   52  . Temperature is a   53   of heat, in units of degrees. So   54   the coals are hot, the value(数值)of heat energy they contain is low. Thus, a well-trained performer can   55   such an amazing result.

Still, you don’t want to walk on burning coals, do you?

1.A. daring         B. dare      C. rough    D. fearful

2.A. at       B. over      C. on                D. above

3.A. with   B. within   C. without D. over

4.A. out         B. on  C. off               D. in

5.A. imagine      B. imagined       C. imagining       D. to imagine

6.A. fire        B. burn       C. light       D. flame

7.A. prevent      B. keep     C. ignore   D. avoid

8.A. off      B. from      C. of       D. in

9.A. ideal  B. classic   C. favorite          D. standard

10.A. transmit   B. communicate       C. bring         D. send

11.A. gathers    B. takes     C. gains     D. stands

12.A. through   B. into               C. over         D. pass

13.A. unhappy  B. unharmed     C. unhealthy      D. unprepared

14.A. charming B. magical C. tricky    D. fashionable

15.A. instantly   B. constantly     C. frequently     D. lately

16.A. produce  B. raise      C. construct       D. create

17.A. power      B. source  C. energy  D. strength

18.A. measure  B. rank      C. estimate        D. rate

19.A. what if      B. however        C. as if              D. even though

20.A. achieve    B. arrive    C. draw     D. take

 

【答案】

 

1.A

2.C

3.C

4.A

5.B

6.B

7.D

8.B

9.A

10.A

11.B

12.A

13.B

14.B

15.A

16.B

17.C

18.A

19.D

20.A

【解析】

试题分析:【文章大意】本文是一篇说明文。文章讲述了魔法师的表演者为什么能走过火红的煤炭。原因有两个:一、煤炭是由小木块构成的,木头是热的不良导体;二、煤炭的能量不足够高,所以温度不会太高。快速走过不受伤害是可能的。

1.A考查形容词词义辨析及语境理解。此处daring勇敢的; dare敢; rough粗糙的;fearful害怕的。我们都看见过一位勇敢的(daring)表演者小心地光着脚在燃烧的煤炭上走。

2.C考查介词的用法。此处at在……点上;over跨越……之上;on在……上面; above在……上方。我们都看见过一位勇敢的表演者小心地光着脚在燃烧的煤炭上(on)走。

3.C考查介词的用法。此处with拥有;within在……之内;without没有; over在……之上。他走过燃烧的煤炭但他的脚上没有(without)一点烫伤。

4.A考查副词的用法。此处turn out意为:结果……。结果是,在燃烧的煤炭上行走没有它被想象的那么热。

5.B考查非谓语动词的用法。此处相当于walking on burning coals isn’t that hot as it is imagined. 结果是,在燃烧的煤炭上行走没有它被想象的那么热。故选B。

6.B考查动词词义辨析及语境理解。此处fire点火;burn燃烧;light点燃;flame火焰。煤炭热的足以把你烧死(burn)。

7.D考查动词词义辨析。此处prevent阻止; keep保持;ignore忽视; avoid避免。如果你足够快地走过,你就会不被烧着。

8.B考查介词及短语的用法。 此处be made of意为:由……组成。那是因为煤炭是有燃烧的木块构成。木头有两个理想的特征能使人在上面走过。

9.A考查形容词词义辨析。此处ideal理想的;classic经典的; favorite       最喜欢的;standard标准的。那是因为煤炭是有燃烧的木块构成。木头有两个理想的(ideal)特征能使人在上面走过。

10.A考查动词词义辨析。此处transmit传导;communicate交流; bring    带来; send送递。木头是绝缘体,它不能很好地传递热量。

11.B考查动词词义辨析。此处gathers聚集; takes花费时间; gains获得;stands忍受。木头需要时间把热量从木头传到你的脚上。

12.A考查介词的用法。此处through穿过; into进入;over跨越;pass通过。木头需要时间把热量从木头传到你的脚上。

13.B考查形容词词义辨析。此处unhappy不高兴的;unharmed不受伤害的; unhealthy不健康的; unprepared无准备的。如果表演者走过红热的金属而不受伤害(unharmed),那是真正的魔力。因为金属导热快,金属会很快地灼伤表演者的脚。

14.B考查形容词词义辨析。此处charming迷人的; magical有魔力的; tricky耍把戏的; fashionable时尚的。如果表演者走过红热的金属而不受伤害,那是真正的魔力(magical)。因为金属导热快,金属会很快地灼伤表演者的脚。

15.A考查副词词义辨析。此处instantly迅速地; constantly不断地; frequently频繁地;lately最近。如果表演者走过红热的金属而不受伤害,那是真正的魔力。因为金属导热快,金属会很快地(instantly)灼伤表演者的脚。

16.B考查动词词义辨析。此处produce产生; raise提升;提高; construct建设;create创造。木头拥有特殊的热量,他不需要很多热量提高(raise)温度。

17.C考查名词词义辨析及常识。此处power权利,电力;source资源; energy能量; strength力量。热量是能量的一种形式。温度是热量的衡量标准以度来计量。

18.A考查名词词义辨析及常识。此处measure量度;rank等级;estimate估计; rate比率。热量是能量的一种形式。温度是热量的衡量标准以度来计量。

19.D考查状语从句的连接词。此处what if要是;however然而;as if 好像; even though即使。所以即使煤炭是热的,但它含有的热量也是低的。所以受过良好训练的表演者能实现令人惊讶的结果。

20.A考查动词词义辨析及语境理解。此处achieve实现;arrive到达;draw画;take拿,花费。所以即使煤炭是热的,但它含有的热量也是低的。所以受过良好训练的表演者能实现(achieve)令人惊讶的结果。

考点:考查说明文的完形填空。

 

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B.challenging

C.exciting

D.puzzling

5.

A.food

B.water

C.weight

D.medicine

6.

A.so

B.but

C.since

D.until

7.

A.looked about

B.looked for

C.looked like

D.looked at

8.

A.gained

B.lost

C.kept

D.raised

9.

A.followed

B.ordered

C.invited

D.advised

10.

A.angered

B.shocked

C.disappointed

D.scared

11.

A.went into

B.put into

C.went through

D.broke through

12.

A.time

B.money

C.hour

D.holiday

13.

A.out

B.down

C.off

D.through

14.

A.diet

B.study

C.health

D.weight

15.

A.great

B.slow

C.little

D.enough

16.

A.walking

B.running

C.training

D.growing

17.

A.supporter

B.player

C.coach

D.fan

18.

A.left

B.moved

C.helped

D.watched

19.

A.cheat

B.make

C.beat

D.find

20.

A.easiest

B.latest

C.brightest

D.darkest

 

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