问题 单项选择题 A1/A2型题

枸橼酸钠的抗凝原理是()

A.阻止凝血酶的形成

B.阻止血小板凝集

C.除去球蛋白

D.与血液中的钙离子形成螯合物

E.除去纤维蛋白原

答案

参考答案:D

听力题

单词拼写(共15小题;每小题1分,满分15分)

根据下列句子及所给汉字注释或首字母提示,在句子后边的横线上,写出空缺处各单词的正确形式。(每空只写一词)

小题1:We should not judge a person by his __________ 外表).      

小题2:How did the people __________ (反应)to the latest news?     

小题3:Schools need __________(志愿者)to help children to read.       

小题4:It was said that the little child had been __________(咬)by the fierce dog.          

小题5:Police asked __________(过路人)if they had seen the accident.  

小题6:I like to read books on __________(电子的)music.         

小题7:We may __________(自信地)look forward to the future.      

小题8: Lesinko is quite f_________ with China Central Television. He worked there for 25 years.                                                                 

小题9: I don’t like b__________ with the sellers over the price of the goods.    

小题10:The scientist encourages the young to e__________ unknown fields.

小题11:The hotel bill c__________ every fee, including the broken glass.

小题12:The doctor p__________ the operation successfully.           

小题13:It is a__________ to the weather forecast that we know there will be a heavy snow in 3 days.                                                        

小题14:Both the Winter and the Summer Olympics are held every four years on a r__________ basis.                                                 小题15:To be honest, some parents don’t a__________ great importance to their children’s character training.                                            

单项选择题 配伍题