皮皮学,免费搜题
登录
搜题
【单选题】
长期发热是指发热超过:( )
A.
1以上
B.
2以上
C.
3以上
D.
4以上
E.
5以上
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】光纤是一种能够传输光频电磁波的介质波导,其结构上由( )组成
A.
纤芯、包层和护套
B.
单模和多模
C.
阶跃和梯度光纤
D.
塑料、晶体和硅
【单选题】We are all proud of the great changes in Beijing. We're sure Beijing will be even ________ tomorrow. [     ]
A.
good
B.
better
C.
best
D.
the best
【简答题】请简述一下如何选购打印机。
【单选题】光纤是一种能够传输光频电磁波的介质波导,其结构上由( )组成
A.
纤芯、包层和护套
B.
单模和多模
C.
塑料、晶体和硅
D.
阶跃和梯度光纤
【单选题】We‘re not sure if it ________ tomorrow. If it ________, we won't climb the South Hill. [     ]
A.
will snow; snows
B.
will snow; will snow
C.
snows; snows
D.
snows; will snow
【简答题】简述一下如何选购打印机
【简答题】请简述一下如何选购打印机。
【单选题】We’re sure to win the entrance examination ___________ next year.
A.
held   
B.
being held   
C.
to be held   
D.
having been held
【单选题】—Mr. Smith always has _______ to tell us. [     ]
A.
some good pieces of news
B.
some pieces of good news
C.
some good piece of news
D.
some piece of good news
【单选题】We're proud of the great changes in Xining, and we' re sure it will be even _______ tomorrow. [     ]
A.
good
B.
better
C.
best
相关题目: