问题
单项选择题
防止哮喘最有效的方法是（）
A.加强体育锻炼
B.使用转移因子
C.脱离变应原
D.预防性使用抗生素
E.注射卡介苗
答案
参考答案：C
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防止哮喘最有效的方法是（）
A.加强体育锻炼
B.使用转移因子
C.脱离变应原
D.预防性使用抗生素
E.注射卡介苗
参考答案：C
| 选择恰当的选项补全短文。 | |||
| This is the 1____________ in my house. What's in the kitchen? There is a clock 2____________ the wall. 3____________ is 6: 00. There is a table near the window. On the table there 4____________ a plate. Five cakes are on the plate. The chairs are around (在……周围) the table. You 5____________ see some trees, some birds and a river through (通过) the window.
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