移动动作和终结动作总是()出现的。A、单独 B、成对 C、同时 D、相同

题型:单项选择题

问题:

移动动作和终结动作总是()出现的。

A、单独

B、成对

C、同时

D、相同

考点:大学试题工业工程科学工业工程科学题库
题型:单项选择题

按要求改写句子

1. Is he from Beijing?(同义句转换)

    __________ he __________ from Beijing ?

2. He does his homework every evening (改为否定句)

    He __________ __________ his homework every evening .

3. They read newspapers in the reading room. (对划线部分提问)

    __________ __________ they read newspapers?

4. There are some apples in his locker.(改为否定句)

    There __________ __________ in his locker.

5. You can't bring your dog here.(改为祈使句)

    __________ __________ your dog here.

6. My father is a teacher. My mother is a teacher, too.(改为同义句)

    My __________ are __________ teachers.

7. He usually goes home on foot.(改为同义句)

    He usually __________ __________.

题型:单项选择题

牙釉质的矿物盐是以结晶形式存在()

A.Ca10(PO45(OH)2

B.Ca10(PO16(OH)2

C.Ca8(PO46(OH)2

D.Ca8(PO45(OH)2

E.Ca10(PO43(OH)2

题型:单项选择题
下列几种波中不属于电磁波的是(  )

A.声波

B.微波

C.光波

D.无线电波

题型:单项选择题

关于视网膜色素上皮,正确的说法是().

A.它与神经上皮连接紧密

B.可传递来自脉络膜毛细血管的营养

C.具有支持光感受器活动的色素屏障作用

D.能够吞噬和消化锥体和杆体的外节膜盘

E.与Bruch膜连接不紧密,这是发生视网膜脱离的解剖学基础

题型:单项选择题

我国的住房公积金制度实行高存高贷的利率政策,最大限度支持职工贷款购房。( )

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