spam mail
参考答案:垃圾邮件
单项选择。
Tom is too ____ to say. [ ]
A. reached
B. played
C. excited
D. wanted
下列生活用具中,使用时属于省力杠杆的是( )
A.
筷子
B.
核桃夹
C.
碗夹
D.
面包夹