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

问题:

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

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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

考点:各种细胞器的结构和功能生物膜系统
题型:选择题

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

题型:选择题

常温下,当蒸气压大于体系压力时,该物质是()。

A.气态

B.液态

C.共沸物

D.固态

题型:选择题

风机型号是如何表示的?

题型:选择题

指土壤土粒表面靠分子引力从空气中吸附的气态水而保持在土粒表面的水分称为()

A.吸湿水

B.膜状水

C.毛管水

D.>重力水

题型:选择题

水煤浆的稳定性是指煤粒在水中的悬浮能力。通常是将煤浆在容器中静置24小时,用煤浆的析水率来表示。析水率越低,说明煤浆的稳定性越差。

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