植物呼吸作用所分解的有机物来自于( ) A.光合作用的产物 B.种子 C.茎和叶

题型:选择题

问题:

植物呼吸作用所分解的有机物来自于(  )

A.光合作用的产物

B.种子

C.茎和叶

D.根吸收的水分

考点:光合作用呼吸作用
题型:选择题

有补气安神功效的药物是

A.灵芝
B.朱砂
C.琥珀
D.远志

题型:选择题

Part 4


Questions 26-45


·Read the following passage and decide which answer best fits each space.
·For questions 26-45, mark one letter A, B, C or D on the Answer Sheet.
Participation (26) high school sports is not a constitutional right. (27) , it is a privilege, paid for by taxpayers, open to students who promise to (28) certain conduct requirements on and off the field. One of these promises is to (29) from using drugs. Drug use is a serious problem among high school students. Studies show that as many as 500, 000 high school students use muscle-pumping, life-destroying substances such as steroids. Many more use illegal drugs, (30) cause discipline problems and (31) the stage for lifelong (32) .
Drug testing works to (33) and identify use. That is why drug testing is required to compete in the Olympics, the National Collegiate Athletic Association and the National Football League. (34) drug testing was instituted by these organizations, use of performance- (35) drugs has been greatly reduced. We should want (36) in schools.
Indeed, many athletes (37) testing programs, and no wonder. Without testing, athletes have to choose between drug use and a competitive disadvantage (38) the field.
Those who challenge the need for drug testing may be forgetting (39) it is like be an adolescent. Peer pressure is enormous, and one of the few effective counter-weights is the fear of being caught. More importantly, once drug use is (40) , a school can (41) to the student before he or she gets addicted or arrested.
For 25 years, public schools (42) by federal judges and civil libertarians, with results everyone can see. It is time (43) decisions on how to run public schools locally (44) officials. There is nothing unconstitutional about asking those who gain the advantages of school-sponsored athletics to contribute to the safety of other players, the integrity of the game and their own well-being. The Supreme Court should leave these programs (45) .

A.set

B.put

C.take

D.give

题型:选择题

全真道的建立者是:()

A、王重阳

B、李耳

C、王明阳

D、丘处机

题型:选择题

目前,以传统话音业务为基础的套餐包正在向哪种经营方式转变?

题型:选择题

TEG装置腐蚀主要是()

A、由于有机酸及溶解的H2S等造成的

B、由于溶解的CO2造成的

C、由于溶液PH值过高造成的

D、由于溶液发泡造成的

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