A.逐渐减小
B.逐渐增大
C.不变
D.先减小后增大
答案:D
(2013·辽宁五校第一联合体高三考试)—The ice cream is really delicious. Can I have some more?
—________.
A.Behave yourself
B.Please yourself
C.Do it yourself
D.Be my guest
使用手电钻等移动的电动工具是,其引线不能有接头,长度不超过()。
A.5m
B.10m
C.15m
D.20m