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【简答题】
植物的世代交替是在生活具有________和________相互交替的现象。地钱世代交替的特点是________发达而独立生活, ________简单而寄生。
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参考答案:
举一反三
【判断题】随着钢轨中含碳量的增加,在室温下钢中的铁素体的量也增多,钢的硬度、强度也升高。
A.
正确
B.
错误
【单选题】Which of the following best describes the function of the last paragraph in relation to passage as a whole?
A.
It summarizes the benefits students can derive from the experimental scholarly methods course.
B.
It provides additional reasons why Griffith's works raises issues having to do with the canon of authors.
C.
It provides an illustration of the immediate mature of the experiences students can derive from the experimental scholarly methods course.
D.
It contrasts the experience of a student in the experimental scholarly methods course with the experience of a student in the traditional course.
【单选题】In the last paragraph, the author tells us that _____
A.
difficulties are but part of everyone' s life.
B.
depression and unhappiness are unavoidable in life.
C.
everyone should learn to avoid trying, circumstances.
D.
good feelings can contribute eventual academic excellence.
【单选题】We can infer from the last paragraph that ______.
A.
the proposals mentioned in the above paragraph are really radical.
B.
the education model the Netherlands and Sweden adopt are effective.
C.
the solutions of education problems involve a technique innovation.
D.
more Swedish children are educated in private schools than children in the Netherlands.
【单选题】JS7—A系列时间继电器的触头有( )组触点。
A.
B.
C.
D.
【简答题】In the last paragraph, the author tells us that ________. A) difficulties are but part of everyone’s life B) depression and unhappiness are unavoidable in life C) everybody should learn to avoid tryin...
【单选题】随着含碳量的增加,铁素体的量在( )。
A.
减少
B.
增加
C.
不变
D.
不确定
【简答题】编写程序:从键盘上输入两个整数,求这两个数的最大值。 要求:求最大值用一个函数实现。
【判断题】亚共析钢在室温时的组织组成物为铁素体和珠光体,随着含碳量增加,其中的铁素体的相对量增加,珠光体的相对量减少。
A.
正确
B.
错误
【多选题】关于时间继电器触点类型的表述
A.
所有的触点都是延时型的,没有瞬时动作的触点
B.
既有延时型的触点,又有瞬时动作的触点
C.
触点类型与时间继电器型号有关,有些型号都有,有些型号只有一种
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