问题
单项选择题 A1型题
目前我国预防流行性脑脊髓膜炎主要使用的疫苗是（）
A.接种A群荚膜多糖菌苗
B.接种B群荚膜多糖菌苗
C.接种A-B两价疫苗
D.接种A-C两价疫苗
E.接种A-C-Y-W135四价联合疫苗
答案
参考答案：A
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目前我国预防流行性脑脊髓膜炎主要使用的疫苗是（）
A.接种A群荚膜多糖菌苗
B.接种B群荚膜多糖菌苗
C.接种A-B两价疫苗
D.接种A-C两价疫苗
E.接种A-C-Y-W135四价联合疫苗
参考答案：A
| 阅读理解。阅读下面短文，请从方框中选出适当的句子填入文中的适当位置，使短文内容完整正确。 | |
| Both radio and television are very useful. More and more people are watching TV. _1 _ ___2__On TV you can both see and hear what is happening around the world. However, radio is not about to disappear. __ 3 In fact, the number of listeners is increasing. One reason for this is the invention of the transistor radio. A transistor radio is sometimes very small. It is very easy to carry. You can put one in your pocket and listen to it on the bus or on your bike when you go to work. __4__The sight of many old people is not good enough to watch TV. _5_ What's more, radio is much cheaper than TV.
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