下列材料中可用气割下料的有()。A、Cr12 B、45钢 C、Q235 D、A3

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问题:

下列材料中可用气割下料的有()。

A、Cr12

B、45钢

C、Q235

D、A3

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题型:多项选择题
如果两个数的积为负数,和也为负数,那么这两个数(  )
A.都是负数
B.都是正数
C.一正一负,且负数的绝对值大
D.一正一负,且正数的绝对值大
题型:多项选择题

同义句转换,注意to 和for的用法,每空一词。

1. My friend gave me a new pen yesterday.

    My friends gave                                                                yesterday.

2. Please show me your new watch.

    Please show                                                   me.

3. He will pass the child a new ball.

    He will pass                                                   the child.

4. My sister make every day.

    My sister make                                      every week.

5. The teacher is singing an English song for his students.

    The teacher is singing                         an English song.

6. Who can find me the pen?

    Who can find the pen             me?

7. Zhang Hua lent his bike to me yesterday.

    Zhang Hua lent                                      yesterday.

8. Now please hand me the flowers.

    Please hand the flowers                         now.

9. We show our homework to our teacher everyday.

    Everyday we show our                                     .

10. He brought his mother a new coat just now.

      He brought a                                                                just now.

题型:多项选择题

下列病毒感染以隐性感染居多的是()

A.流行性乙型脑炎病毒

B.流感病毒

C.麻疹病毒

D.狂犬病毒

E.登革病毒

题型:多项选择题

下列各项中,属于契税纳税义务人的是( )。

A.以出让方式承受原国有控股公司土地使用权的国有企业
B.承受教学用建筑物的高校
C.第一次购买公有住房的城镇职工
D.承受军事设施用地的军事单位

题型:多项选择题

中国伦理思想体系由哪几部分组成?

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