催化dUMP转变为dTMP的酶是A.核苷酸激酶 B.甲基转移酶 C.胸苷酸合酶 D.

题型:单项选择题

问题:

催化dUMP转变为dTMP的酶是

A.核苷酸激酶

B.甲基转移酶

C.胸苷酸合酶

D.核糖核苷酸还原酶

考点:普通考研西医综合西医综合
题型:单项选择题

未来适用法,是指将变更后的会计政策应用于变更日及以后发生的交易或者事项,或者在会计估计变更当期和未来期间确认会计估计变更影响数的方法。()

题型:单项选择题
阅读下面短文,从短文后所给各题的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项。
It was at a concert that I happened to find David. He was holding his head at a strange     as if he were stating down at something. Then the truth struck me. He was blind. The last thing he remembers    was his daughter being born. Then the world went    .
Bad luck is no stranger to this 44-year-old man. His mother died of cancer, and his weak father had to    11-year-old David to the care of the state.
Things seemed always to go from bad to    . Two years ago, his beloved guide dog pulled him out of the    of a truck. David was not hurt. The dog    .
But David does not feel sorry for himself. "These are just little obstacles (障碍) you have to    in your life," he said.
He has to make a daily two-hour trip to his working place -- the X-ray department of an _  room.
It was a hard job to   . Before he got it, David was determined to escape the workshop ran by the Lighthouse, an organization    to help blind people. He wanted a job of developing X-ray film, something   , not just he, must do in the dark, including people with    eyesight. The Lighthouse called many hospitals, with no result,    they offered to pay his first three months' salary.
David works alone in a dark room that    of chemicals. He cannot wear gloves.   , he could not feel. Since this is an emergency room, lives can be put    or out of danger. His directress says she trusts him 100 percent.
He makes $20,000 a year. But his motivation (动机) goes    money. "By working, I can actualize my own    . That's the most important!" he said.
What a shining example for us to   !
小题1:
A.ankleB.directionC.angleD.altitude
小题2:
A.doingB.feelingC.seeingD.hearing
小题3:
A.blankB.colorfulC.emptyD.silent
小题4:
A.bring upB.bring inC.give upD.give in
小题5:
A.worseB.goodC.betterD.mad
小题6:
A.bottomB.pathC.wheelD.back
小题7:
A.killedB.run overC.diedD.injured
小题8:
A.seekB.overcomeC.surroundD.search
小题9:
A.upstairsB.emergencyC.informationD.underground
小题10:
A.deal withB.get throughC.take upD.come by
小题11:
A.intendedB.aimedC.offeredD.devoted
小题12:
A.everyoneB.nobodyC.someoneD.none
小题13:
A.commonB.poorC.normalD.actual
小题14:
A.becauseB.ifC.in caseD.even though
小题15:
A.consistsB.smellsC.allowsD.fills
小题16:
A.HoweverB.UnfortunatelyC.OtherwiseD.Besides
小题17:
A.at riskB.in briefC.up withD.in charge
小题18:
A.intoB.beyondC.ontoD.below
小题19:
A.blindnessB.incomeC.valueD.experiences
小题20:
A.setB.takeC.holdD.follow
题型:单项选择题

经国务院药品监督管理部门审核批准后,方可销售的是

A.医疗机构配制的制剂
B.中药材
C.中药饮片
D.中药材和中药饮片
E.从国外引种的药材


《中华人民共和国药品管理法》规定

题型:单项选择题

旅行社设立服务网点的区域范围,不受地域限制。

题型:单项选择题

基因表达中的诱导现象是指()

A.阻遏物的生成

B.细菌利用葡萄糖作碳源

C.细菌不用乳糖作碳源

D.由底物的存在引起代谢底物的酶的合成

E.低等生物可以无限制地利用营养物

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