商店卖出一块售价100元的手表赚了20%,就是赚了20元.______.

题型:解答题

问题:

商店卖出一块售价100元的手表赚了20%,就是赚了20元.______.

考点:百分数的计算,百分数的应用题
题型:解答题

川贝母来源于( )

A.《五十二病方》
B.《神农本苹经》
C.《新修本草》
D.《证类本草》
E.《本草纲目》

题型:解答题

Around the world more and more people are ___1___ dangerous sports and activities. Of course there have always been people who have ___2___ adventure—those who have climbed the ___3___ mountains, explored unknown parts of the world or ___4___ in small boats across the greatest oceans. Now, however, there are people who look for an immediate pleasure from a ___5___ activity which may only last a few minutes or even ___6___.

I would consider bungee jumping to be a good example of such an activity. You ___7___ from a high place about 200 meters above the ground with an elastic rope ___8___ to your ankles. You ___9___ at up to 150 kilometers an hour until the rope stops you from ___10___ the ground. It is said that 2 million people around the world have now ___11___ bungee jumping. Other activities, ___12___ most people would say are as dangerous as bungee jumping, ___13___ jumping from tall buildings and ___14___ into the sea from the top of high rocks.

Why do people take part in such activities as these? Some psychologists(心理学家) suggest that it is because life in ___15___ societies has become safe and boring. Not very long ago, people’s lives were constantly under ___16___. They had to go out and hunt for ___17___, and life was a continuous battle for survival.

Nowadays, according to many people, life offers ___18___ excitement. They live and work in relatively safe condition; they buy food in shops; and there are doctors and hospitals to ___19___ them if they become ill. The answer for some of these people is to ___20___ danger in activities such as bungee jumping.

1. A. escaping from       B. taking part in     C. going in     D. taking in

2. A. looked up      B. looked into C. looked for  D. looked around

3. A. lowest    B. highest       C. beautiful    D. wild

4. A. sailed     B. swam  C. jumped      D. crossed

5. A. safe B. excited       C. funny  D. dangerous

6. A. years      B. seconds      C. hours  D. days

7. A. jump      B. run     C. walk   D. cross

8. A. followed B. tied     C. brought      D. took

9. A. go   B. run     C. fall     D. fly

10. A. falling  B. running      C. flying D. hitting

11. A. tried     B. looked for  C. found  D. studied

12. A. that      B. which C. it D. what

13. A. hold     B. include       C. find    D. contain

14. A. swimming    B. running      C. diving D. sailing

15. A. old       B. modern      C. past    D. formal

16. A. safety   B. imperfection      C. danger       D. perfection

17. A. animals B. food   C. water  D. dangers

18. A. few      B. little   C. much  D. many

19. A. look at  B. look into    C. look for     D. look after

20. A. look for       B. look after   C. explore      D. find

题型:解答题

急性阑尾炎的手术选择是()

A.单纯性阑尾炎行阑尾切除术,切口一期缝合

B.化脓性或坏疽性阑尾炎,行阑尾切除术

C.阑尾周围脓肿,无局限,行切开引流术

D.已发生阑尾脓肿,术中必须切除阑尾

E.阑尾周围脓肿,已局限,病情平稳,给予抗生素加支持疗法

题型:解答题

大多数药物通过胎盘屏障的方式是()

A.被动扩散

B.主动转运

C.促进扩散

D.胞饮作用

E.吞噬作用

题型:解答题

计算题:有一台降压变压器额定容量为3200KVA,电压为35±2*2.5%/6.3KV,Ud=7%,系统阻抗忽略不计,继电器采用不完全星形接线,试计算电流速断保护的一次动作值(采用电磁型继电器)

更多题库