在我们日常的生活环境下,若烧开质量为2.5千克、初温为20℃的一壶水,吸收了1.

题型:选择题

问题:

在我们日常的生活环境下,若烧开质量为2.5千克、初温为20℃的一壶水,吸收了1.05×106 焦耳的热量后,他的温度可能是:

A.80℃

B.100℃

C.120℃

D. 130℃

考点:比热容的概念
题型:选择题

短文改错(共10小题,每小题1分,满分10分)

此题要求改正所给短文中的错误.对标题号的每一行做出判断:如无错误,在该行右边的横线上划(√);如有错误(每行只有一个错误),则按下列情况改正:

此行多一个词:把多余的词用斜线划掉,在该行右边横线上写出该词,并也用斜线划掉。

此行缺一个词:在缺词处加一个漏字符号(^),在该行右边横线上写出该加的词。

此行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。

注意:原行没有错的不要改。

特别注意:下面的题为选A卷的考生必做。

One day a doctor was starting his morning works. Suddenly                         81. _______

a man ran his room. His face was red and he could                             82. _______

only say"Quick! Quick!"The doctor thought he can be                              83. _______

very ill. His assistant helped to get the poor man sit in                            84. _______

a chair. The doctor gave the man some medicine to make                          85. _______

him to sleep. Then he looked into the man's mouth and                            86. _______

pulled out all the bad tooths. As soon as the man woke                            87. _______

up, he said"Quick, doctor, Quick,"with a low voice.                                88. _______

"It's all over now,"the doctor told him."You don't understand,"                    89. _______

said the man."I came to tell you your house is on the fire."                         90. _______

题型:选择题

下列说法正确的是()

A.控制塑料购物袋的使用主要是为了节约成本

B.使用可降解塑料袋有利于减少“白色污染”

C.聚氯乙烯塑料袋可用来长时间存放食品

D.塑料购物袋具有热固性,不能回收利用

题型:选择题

()的功能是根据需要使汽车减速或在最短的距离内停车,以确保行车安全,并保证汽车停放可靠,不致自动溜滑。

题型:选择题

支配臀中肌、臀小肌、闭孔内肌、半膜肌和腘肌的脊神经是()

A.L1

B.L2

C.L3

D.L4

E.L5

题型:选择题

完整的燃素说是由谁提出的?()

A.波义耳

B.斯塔尔

C.斯金纳

D.巴甫洛夫

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