“夏季四防”不包括（）。
A、防汛
B、防雷电
C、防风
D、防盗
参考答案：D
— Why don't they go to play baseball?
— _______.
A. It's interesting.
B. It's boring.
C. That sounds great.
盛在皂盒中的肥皂带菌率为75%。
