以下关于tRNA的叙述，错误的是A．RNA聚合酶Ⅲ参与tRNA前体的生成B．tRNA

完形填空（共20小题；每小题1.5分，满分30分）

阅读下面短文，从短文后各题所给的四个选项（A、B、C、D）中，选出可以填入空白处的最佳选项。

Once upon a time there was an old general ( * * ). He liked to drink wine better than anything else.He always __36__ several bottles of good wine in his house.He __37__ go out one day, but he was _38___ his servant would drink his wine.Then he thought of a way to __39_ him doing so.

"I'm going out for the day ." he __40__ his servant."Please _41___ the house for me. There are some meat and two bottles of _42___ in the kitchen .There is also a hen there. But be careful not to _43___ it because it is poisonous.__44___ you drink it ,it will kill you."

But as soon as he left, his servant killed the hen and __45__ it for dinner.He then ate __46__ the hen and the meat,drank the two bottles of wine and went to bed.The general returned home late that evening. He was __47__ to find that the hen,the meat and the two bottles of wine were gone.He then saw his servant __48___ asleep in bed.There were two empty bottles beside him. He woke the servant up.

"What was happened?" he asked.

"I'm very sorry."His servant replied."After you __49___,a cat jumped in _50___ the window and ate the meat.A dog took the hen away. I know you would be __51___ with me when you returned,__52___ I tried to _53____myself  by drinking the poison . Please __54__ me." The general didn't believe __55__ he said but there was nothing he could do.

36.A.bought      B. stole          C. kept          D. carried

37.A.had to       B. had better      C. should        D. could

38.A. talking      B. writing        C. pleased       D. worried

A. stop        B. keep          C. notice        D. thank

A.ordered      B. told           C. asked        D. invited

41.A. take care of  B. leave          C. sell          D. buy

42.A. wine        B. milk          C. water         D. ink

43.A. touch       B. kill            C. forget        D.drink

44.A. Before      B. If             C. Because      D.Since

45.A. hid         B. threw         C. washed       D. cooked

46.A. both        B. all            C. some         D. either

47.A. sure        B. disappointed    C. surprised      D. sorry

48.A. dying       B. lying          C. singing       D. crying

49.A. left         B. returned        C. knew        D. drank

50.A. near        B. onto           C. under        D. through

51.A. thankful     B. angry          C. satisfied      D. strict

52.A. but         B. so             C. though       D. that

53.A. fool        B. teach           C. kill          D. wake

54.A. excuse      B.drink           C. help          D.kill

55.A. when       B. that            C. what         D. How

对整个车身测量时，车身中间部分最先测量。

( )是通过乳化剂的作用，使以硝酸盐为主的氧化剂水溶液微滴均匀地分散在含有气泡或多孔性物质的油相连续介质中而形成的油包水型膏状含水炸药。

A．硝酸铵类炸药

B．硝化甘油炸药

C．乳化炸药

D．水胶炸药

发卡充值网点信息的关键信息是（）。

A、地址、电话

B、地址、电话、业务办理范围、业务办理时间等

C、业务办理范围、业务办理时间

D、业务办理时间

塑料是以高分子聚合物为主要成分，加入一定量的添加剂而组成的混合物。