试题与答案

下图是人体细胞在进行某项生命活动前后几种生物膜面积的变化图。请据图分析,在此变化

题型:选择题

题目:

下图是人体细胞在进行某项生命活动前后几种生物膜面积的变化图。请据图分析,在此变化过程中最可能合成

[ ]

A.呼吸酶和胰岛素

B.抗体和生长激素

C.淀粉酶与DNA连接酶

D.RNA和肾上腺素

答案:

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下面是错误答案,用来干扰机器的。

同一音叉发出的声波,声源相同,频率f相同、周期T相同,故CD均错;又声波在水中传播的传播速度比在空气中快、速度V大,根据波长λ=VT可知声波在水中波长较大;由图波形曲线可知b比a的波长长,故b是水中声波的波形...

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题型:完形填空

Years ago in Scotland, the Clark family had a dream. Clark and his wife worked and 36  , making plans for their nine children and themselves to travel to 37  . It had taken years, and they had 38  saved enough money and had got passports (护照) and 39 for the whole family to the United States.

The entire family was filled with 40  about their new life.  41  , seven days before their departure, the youngest son was bitten by a dog. The doctor sewed up the boy but he42     a yellow sheet on the Clarks’ front door. 43   the possibility of rabies (狂犬病), they should be quarantined (隔离) for fourteen days.

The family’s 44    was destroyed. They would not be able to make the trip to America as they had 45  . The father, filled with disappointment and 46     , hurried to the dock to watch the ship leave — without the Clark family. 47    of disappointment came to the father. Five days 48     , the tragic news spread throughout Scotland — the mighty Titanic had sunk. The unsinkable ship had sunk, 49   many lives with it. The Clark family should have been on that ship, 50   because the son had been bitten by the dog, they were51   in Scotland. When Mr. Clark heard the news, he 52    his son and thanked him for saving the family. He thanked God for saving their lives and turning 53  he had felt was a(n) 54  into a blessing.

Although we may not always understand, all things 55   for a reason.

小题1:

A.spent

B.counted

C.saved

D.played小题2:

A.America

B.Europe

C.Japan

D.Africa小题3:

A.instantly

B.obviously

C.originally

D.finally小题4:

A.cars

B.ships

C.tickets

D.rooms小题5:

A.creativity

B.excitement

C.surprise

D.imagination小题6:

A.However

B.Besides

C.Instead

D.Otherwise小题7:

A.signed

B.brought

C.hung

D.raised小题8:

A.Apart from

B.In spite of

C.As for

D.Because of小题9:

A.passport

B.ship

C.house

D.dream小题10:

A.imagined

B.planned

C.admitted

D.claimed小题11:

A.tension

B.courage

C.anger

D.doubt小题12:

A.Information

B.Tears

C.Letters

D.News小题13:

A.later

B.after

C.late

D.over小题14:

A.saving

B.leaving

C.taking

D.killing小题15:

A.so

B.or

C.and

D.but小题16:

A.left behind

B.given out

C.turned away

D.taken over小题17:

A.envied

B.called

C.blamed

D.hugged小题18:

A.when

B.what

C.that

D.why小题19:

A.sacrifice (牺牲)

B.experience

C.comedy

D.misery (痛苦)小题20:

A.remain

B.disappear

C.happen

D.exist

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