瑞氏染色中起溶解作用的有机溶剂是（） A.无水乙醇 B.甲醇 C.氯仿 D.二甲苯

阅读理解。

     One day a man went to see a doctor. After the doctor looked him over carefully , he said to the

man, "Well , there is nothing much wrong with you , but I'm afraid you have a problem .You worry

too much. A few days ago I had a man with the same  trouble as you .He was worried because he

didn't pay his tailor's bill (裁缝工钱). I told him not to worry about that any longer . He followed

me , and when he came to see me again , he told me he felt well again."

     " Yes , I know all about this ," answered the man sadly . " You see , I'm that man's tailor."

1. The story took place(发生)_____.                                        

A. at a shop                                                                  

B. in a hospital                                                              

C. at a factory                                                              

D. at the tailor's                                                          

2.The doctor told the tailor that _____.                                    

A. there was something wrong with his head                                    

B. something was wrong with his eyes                                          

C. he worried too much                                                        

D.he was eating too much                                                      

3.The earlier patient(病人) told the doctor that he was worried because _____.

A. he had a bad cold                                                          

B. he hurt himself                                                            

C. he didn't pay his tailor's bill                                          

D. his tailor didn't make him a coat.                                        

4.The doctor told earlier patient not  _____.                          

A. to worry about the bill any longer                                        

B. to take a rest                                                            

C. to pay the bill at once                                                    

D. not to listen to him                                                      

5.The tailor was worried because _____.                                    

A. he couldn't sleep well                                                    

B. he had a cold                                                              

C. the earlier patient didn't pay him                                        

D. his head hurt                                                              

痰液中关于白细胞和红细胞的叙述中，不正确的是（）

A.正常人痰中查不到红细胞

B.正常人痰液中尽有少量中性粒细胞

C.脓细胞增多常与呼吸道化脓性感染有关

D.血性痰液可通过显微镜检查确证

E.痰液潜血试验阳性是确证血性痰的一项指标

汽油机故障中，若有着火征兆或着火后又渐渐熄灭，一般属（）。

A.起动系故障

B.油路故障

C.电路故障

对某一社区开展口腔健康调查，现场检查结束后有大量数据资料需要整理，此时首先需要做（）

A.计算样本含量

B.确定抽样方法

C.显著性检验

D.标准一致性试验

E.审核资料

1971年WHO提出的估算血液需求量的方法是每年每个急诊床位要使用（）个单位血液。

A.5.7

B.6.7

C.7.7

D.8.7