观摩和分析优秀教师的教学活动是教师成长与发展的基本途径。

单词拼写（共10小题；每小题1分，满分10分）

根据首字母或汉语注释写出单词的正确形式，并将答案填写到题中的相应位置。

小题1:We should e_______ new ways to solve the problemss that we are facing.

小题2:I meant it to be a(n) i______(非正式的) discussion, but it didn’t turn out as I mentioned

小题3:Playing basketball is one form of p_______(身体的) exercise.

小题4:He caused his parents a great deal of s_____(痛苦).

小题5: That black suitcase on the floor b_________ to me..

小题6: She looks very _____(熟悉的),but I can’t remember where I met her.

小题7:She refused to answer questions about her personal f_____(财力)。

小题8:There are a lot of c____ relics in our country.

小题9:S____ this difficult problem to make it easier to be understood by everyone.

小题10:The a____(外观) of the old house completely changed.

比一比，再写词语。  

谙(          )        桐(          )        堪(          )        嘲(          )

暗(          )        铜(          )        湛(          )        潮(          )

捕(          )        幼(          )        遵(          )        驰(          )

哺(          )        幻(          )        尊(          )        池(          )

对从事热力、电力、燃气、自来水等公用事业的增值税纳税人收取的一次性费用，应当征收增值税。 ( )

下列哪种疾病的骨髓象出现巨核细胞减少

A．急性大出血

B．骨髓增生性疾病

C．脾功能亢进

D．再生障碍性贫血

E．急性巨核细胞白血病

在细菌转录中，负责转录延伸的是（）。

A.RNA聚合酶全酶

B.RNA聚合酶核心酶

C.σ因子