机油粘度是随温度变化的,温度升高,粘度变小,温度变低,粘度增大。机油粘度随温度变化的

题型:判断题

问题:

机油粘度是随温度变化的,温度升高,粘度变小,温度变低,粘度增大。机油粘度随温度变化的特性称为安定性。

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题型:判断题

阅读短文,判断下列句子正(T)误(F)。

    Tom arrived at the bus station quite early for a bus to Paris. It would not leave until five to twelve.

He saw a lot of people waiting at the station. Some were standing in line, and others were

    walking around.

    There was a group of schoolgirls. Their teacher was trying to keep them in line. Tom looked around

but there was no place for him to sit.

    He walked into a station caff (小餐馆). He looked up at the clock there. It was only twenty to twelve.

He found a seat and sat down before a large mirror on the wall. Just then, Mike, one of Tom's friends,

came in and sat with Tom.

    "What time is your bus?" asked Mike.

    'There is still 15 minutes left," answered Tom.

    "Well, we have enough time to have a cup of tea ,"said Mike.

    They talked while drinking. Then Tom looked at the clock again. "Oh! It's going backward (向后)!"

he cried."A few minutes ago it was twenty to twelve and now it's half past eleven."

    "You are looking at the clock in the mirror ,"said Mike. Tom was sad, because he had to wait for

another bus.

( )1. Tom went into the station caff because Mike asked him to have a cup of tea.

( )2. It was half past one in fact when Tom looked at the clock in the mirror.  

( )3. Mike also waited for the bus to Paris.                                    

( )4. Tom arrived in Paris on time.                                              

( )5. Tom missed (错过) the bus because of the mirror.                          

题型:判断题

关于腹腔化疗,哪些说法是正确的:

A.主要用于早期病例

B.控制腹水效果好

C.副反应较全身用药重

D.腹化时要同时进行静脉水化

E.可用四氢叶酸解毒

题型:判断题

全面审方包括处方的哪些内容()

A.处方后记

B.处方前记

C.处方正文

D.处方各项内容

E.以上均不是

题型:判断题

简要回答社会保障的功能。

题型:判断题

下列说法正确的是:()

A.在流场中,沿曲线从A点到B点的环量值与AB曲线形状无关,只取决于起点与终点的位置

B.在流动过程中,加速过程对应压强下降;反之,流速下降过程对应压强上升

C.流管的侧表面是一个流面,而流面也一定可以合拢为一根流管

D.流体质点速度变化仅由流场的不均匀性引起

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