葡萄胎处理后选择的避孕方法最好是（）.
A.避孕套
B.宫内节育器
C.避孕片Ⅰ号
D.NorplantⅠ
E.避孕片Ⅱ号
参考答案：A
with so much homework to do，David told his sister_____so much noise.
A．to make not
B．not to make
C．not making
D．making not
吸管车输送报警代码是（）
A.121
B.125
C.304
D.240
