分时系统中分时时间片的长短问题无所谓,不影响终端用户得到的及时响应。( )
参考答案:错
解析:应改为:分时时间片的长短问题很重要。它将影响终端用户得到的及时响应。
We were talking and laughing, when our teacher came in and asked us what all the ______ was about.
A.excite
B.exciting
C.excited
D.excitement
— Well, Jane has many advantages, too.
— Oh, yes. _______ others are weak, she is strong.
A.If
B.When
C.Though
D.Where