用刺绣线迹将布与布拼接起来，形成具有蕾丝风格的装饰技艺称为（）。A.装饰线迹接缝 B

Do you suppose Darwin, one of the greatest scientists of all time, really did foolish experiments? Or did he do experiments that were so simple and basic that other people just thought they were foolish?

Sometimes, people think they already know the answer to a question or the solution to a problem. Sometimes, they really do know an answer or a solution, but without thinking they are important.

Charles Darwin didn’t settle for(满足于)just thinking he knew something. And, he believed all things could be important however simple they seemed to be.

Suppose you drop sheets of paper that are of exactly the same size and shape. If you drop them at the same time in the same place, they will fall in the same way. Now make one of the sheets of paper into a tight little ball and let it drop along with the other sheets. What happens? You have done an experiment that is so simple that you might think it couldn’t be worth anything.

But this simple experiment is important. It explains part of our present-day understandings of physics, ideas that were worked out long ago by Galileo and Newton. And these understandings set aside some of ancient Greek physics.

Scientists sometimes stop to look at very simple things and to think very hard about them. Even the simplest idea, which we might think is foolish, can shake the foundations of science.

小题1: The passage tells us that Charles Darwin　　　　.

A．was a great English scientist

B．always liked doing the experiments that others thought difficult

C．thought even the simplest thing was important

D．didn’t get well with others小题2: The underlined phrase “set aside” most probably means　　　　.

A．throw away

B．store up

C．put to use

D．realize小题3: The author of the passage tries to　　　　.

A．convince us that Charles Darwin, Galileo and Newton are the greatest scientists in the world

B．draw the conclusion that basic sciences are simple things

C．prove that two sheets of paper, with the same size and shape, will fall at the same speed

D．draw our attention to everyday happenings around us小题4:Which of the following is TRUE?

A．Darwin really did foolish experiments.

B．According to some people Darwin did foolish experiments.

C．It is believed by all the people that things could be important though they seemed to be simple.

D．Galileo and Newton worked out ancient Greek physics.

病历摘要：患者男性，55岁，有20年吸烟史，每天10支。持续性进行性声嘶1月，伴咳嗽、咽异物感，间接喉镜检查会厌大，遮盖声门

该病人如果来就诊时已有静息性呼吸困难，但没有颜面紫绀、烦躁现象，以下正确的是：（）

A.该病人已有三度呼吸困难

B.该病人已有二度呼吸困难

C.需紧急环甲膜切开术

D.急诊喉探查部分喉切除术

E.可以先预防性气管切开，再做活检，明确病理后进一步处理

F.请呼吸科会诊

G.不用处理

三级预防的作用不包括防止（）

A.合并症

B.伤残

C.后遗症

D.复发

E.慢性化

什么是产妇乙肝表面抗原检测人数？

银与卤素会发生反应，银的卤化物有感光性，是很好的（）

A.影像材料

B.反光材料

C.感光材料