利用无色酚酞试液可以鉴别的一组溶液是( ) A.NaCl、NaOH、HCl B.

题型:选择题

问题:

利用无色酚酞试液可以鉴别的一组溶液是(  )

A.NaCl、NaOH、HCl

B.NaOH、KOH、HCl

C.KOH、H2SO4、HCl

D.BaCl2、H2SO4、HCl

考点:物质的鉴别
题型:选择题

The mother didn't know who ________ for the broken glass as it happened.

A.to blame

B.to be blamed

C.blamed

D.is to be blamed

题型:选择题

阅读理解。

     Everyone has got two personalities-one is shown to the world and the other is secret and real. You don't

show your secret personality when you are awake because you can control your behavior, but when you are

asleep, sleeping position shows the real you. In a normal night, of course, people frequently change their

position. The important position is the one that you go to sleep in.

     If you go to sleep on your back, your are a very open person. You normally trust people and you are easily

influenced by fashion or your new ideas. You don't like to upset people, so you never express your real feelings.

You are quite shy and you aren't very confident.

     If you sleep on your stomach, you are a rather secretive person. You worry a lot and always easily get upset,

you are very stubborn, but you aren't very ambitious (有野心的). You usually live for today not tomorrow. This

means you enjoy having a good time.

     If you sleep curled up, you are probably a very nervous person. You have a low opinion of yourself and so

you are often very defensive. You are shy and you don't normally like meeting people. You prefer to be on your

own. You are easily hurt.

     If you sleep on your side, you have usually got a well-balanced personality. You know your strengths and

weaknesses. You are usually careful. You have a confident personality. You sometimes feel anxious, but you

don't often get depressed. You always say what you think even if it annoys people.

1. Which of the following might be the best title of the passage? [ ]

A. Your Sleeping Position and Your Personality

B. Sleeping and Your Health

C. The Secrets of Your Sleeping

D. Pay Attention to Your Sleeping Positions

2. If one goes to sleep on his stomach, he might _____.[ ]

A. never express his real feelings

B. keep himself secret from others

C. be a very nervous person

D. be usually careful  

3. A person who sleeps curled up might _____. [ ]

A. like to stay alone

B. love having a good time

C. be very ambitious

D. always feel confident

4. Which of the important sleeping position that might let out your secrets? [ ]

A. The sleeping position when you fall asleep.

B. The sleeping position when you wake up.

C. The sleeping position when you feel comfortable.

D. The sleeping position at midnight.

题型:选择题

脑血栓形成患者,右侧偏瘫,在第三天发生昏迷,血压24/12kPa,脑穿颅内压为2748pa,脑脊液白细胞8×106/L,红细胞4×106/L个。首先用哪种治疗?()

A.低分子右旋糖酐

B.降血压

C.血管扩张剂

D.甘露醇等脱水治疗

E.抗凝治疗

题型:选择题

(1).辛夷()
(2).红花()
(3).丁香()
(4).西红花()

A.含油室

B.含分泌道

C.两者均是

D.两者均不是

题型:选择题

纤毛区别于鞭毛之处在于()。

A.纤毛的基部没有“9+2”这种微管排列方式

B.鞭毛可进行旋转运动而纤毛不能

C.纤毛较短

D.二者无区别

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