有一只充满空气的集气瓶中，现要除去其中的氧气，又不增加其他气体成分，可选用的可燃

Chinese proverbs are rich and they are still widely used in Chinese people’s daily life.   31  these proverbs there are often interesting stories. For example, the proverb, “plucking up a crop   32 (help) it grow”, is based on the following story.

It is said that a short—tempered man in the Song Dynasty (960—1279) was very anxious to help   33 rice crop grow up quickly. He was thinking about   34  day and night. But the crop was growing much slower than he expected.

One day, he came up with an idea   35  he would pluck up all of his crop a few inches. He did so the next day.

He was very tired   36  doing this for a whole day,   37  he felt very happy since the crop did “grow”  38 (high).

His son heard about this and went to see the crop. Unfortunately the leaves of the crop began to wither.

This proverb is saying we have to let things go in their   39 (nature) course. Being too anxious to help an event develop often   40 (result) in the contrary to our intention.

匀加速直线运动中，加速度为3 m/s²，则 [ ]

A．某一秒的末速度一定等于这一秒初速度的3倍

B．某一秒的初速度一定比前一秒的末速度大3 m/s

C．某一秒的末速度一定比这一秒的初速度大3 m/s

D．某一秒的末速度一定比前一秒的初速度大3 m/s

持续性关节被动活动的禁忌证包括（）

A.肌腱撕裂伤

B.关节软骨损伤

C.关节外科手术后

D.四肢关节内、外骨折稳定固定后

E.连续被动运动造成正在愈合组织过度紧张

用来衡量组织兴奋性高低的指标通常是

A．组织反应强度

B．动作电位幅度

C．动作电位频率

D．阈强度

精神自动症综合征不包括下列哪项（）

A.被控制感

B.被洞悉感

C.物理影响妄想和被害妄想

D.真性幻觉

E.强制性思维