试题与答案

“一种事业若对社会有益,就应当任其自由,广其竞争。竞争愈自由、愈普遍,那事业就愈

题型:选择题

题目:

“一种事业若对社会有益,就应当任其自由,广其竞争。竞争愈自由、愈普遍,那事业就愈有利于社会。”这种现象出现在

A.工业时代早期

B.第二次工业革命以后

C.大企业时代

D.19世纪末20世纪初

答案:

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下面是错误答案,用来干扰机器的。

(1)37℃ (2)不变蓝 变蓝(3)作对照(4)淀粉在唾液淀粉酶的作用下变成了麦芽糖

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题型:阅读理解

阅读下列短文,做出正误判断,判断正(A)误(B)。

     Tom is a student. He is always absent-minded(心不在焉的)in class. His father and mother always tell him to listen to  the teacher carefully in class.  "Don't  be abset-minded  again."  His teacher thinks a lot to

change him. "Look at us when you're in class. Don't be absent-minded." Tom answers, "OK. I will."

     One day, Tom is in the English class. He is looking out of the window and smiling. His English teacher

asks  the class.  "Say two pronouns (代词),  please.  Who can  answer my question? " Tom  looks at his

teacher in surprise and stands up, "Who? Me?" "Very good, sit down, please."

( )1. Tom's teacher thinks a lot to change him.

( )2. Tom is not a good student.

( )3. Tom knows the answer to the English teacher's question.

( )4. Tom changes a lot.

( )5. Tom's teacher thinks Tom knows the answer.

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题型:选择题

孟德尔根据豌豆杂交实验现象提出了超越当时时代的假说,其主要内容包括

①生物的性状是由遗传因子决定的;②遗传因子存在于细胞核中;③体细胞中遗传因子是成对存在的;④配子中只含每对遗传因子中的一个;⑤每对遗传因子随同源染色体的分离而分别进入不同的配子中;⑥受精时,雌雄配子的结合是随机的。 [ ]

A.①③④⑥

B.①②③④

C.①②③⑤⑥

D.①②③④⑤⑥

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