丝网印刷由五大要素构成,其中没有包括下列中哪一项?()
A、丝网印版、刮印刮板
B、平板打印机
C、油墨
D、印刷台以及承印物
参考答案:B
She likes singing, dancing and talking with others.
But I often stay at home and read books. So I am ______than her.
A.funnier
B.quieter
C.more outgoing
D.wilder
什么情况下使用安全带?