问题 单项选择题 A1/A2型题

关于流脑的易感性错误的是().

A.由于从母体获得抗体,6个月内的婴儿很少发病

B.成人发病较少,因可在多次流行中隐性感染获得免疫力

C.在流行期间发病年龄可向高年龄组移动

D.感染后免疫力持久,各群间交叉免疫力持久

E.儿童发病率高,特别是5岁以下(6个月至2岁)的婴幼儿发病率最高

答案

参考答案:D

完形填空

Venice(威尼斯) is the “Queen” of the Adriatic sea. Every year   1  from all over the world  2__ Italy to visit the city. Do you know  3  they like to go there for a visit?

Venice is a very beautiful city. It is quite different   4  other cities in the world. There   _5  roads or streets in the city. So there aren’t any cars and buses.There are   6  canals(运河) in the city. There is one big canal and 177 small canals. People move   7  and down the canals   8  to go to work,   9_ or visit their friends.

But Venice is sinking. It is going down and the water is going up. In 2040 Venice

will be   10_ water. The Adriatic Sea will cover the city.

小题1:A. thousand people        B. thousands people    C. thousands of people

小题2: A. travel to                      B. travel from               C. traveled to

小题3: A. where                                B. what                               C. why

小题4:A. from                                   B. with                                C. of

小题5: A. are some                            B. aren’t any                        C. aren’t some

小题6: A. many                                 B. any                                 C. much

小题7: A. on                              B. up                                  C. off

小题8:. A. in buses                      B. in cars                      C. in boats

小题9: A. go to shop                          B. go shopping                     C. go to shopping

小题10:. A. under                               B. with                                C. on

选择题