【单选题】Countries are major participants in international trade. There are about ______ countries in the world now.
【单选题】透光法检测小平面时,如果直尺中间透光明显,说明文件()。
【简答题】“Don’t _____ ____of mistakes and we can learn from them!” said the teacher此题出自2015年甘肃兰州中考英语真题及答案,2015年甘肃兰州中考英语试题及答案 “别害怕犯错,我们可以从错误中学到东西!”老师说。 “Don’t _____ ____of mistakes and we can lear...
【单选题】We have two basketballs ,________we don’t play them.
【单选题】We said to them:"Don't make any noise, please." We ______ them ________ make any noise.
【单选题】用透光法检测小平面时,如果刀口形直尺中间透光明显,则说明工件:
【单选题】The number of the cranes is getting ________ . If we don't help them, they will disappear ________ a few years. [ ]
B.
larger and larger; after
D.
smaller and smaller; in
【简答题】HSPICE是____________公司开发的一个商业化通用电路模拟程序,它可以从_______到高于_______的微波频率范围内,对电路作精确的仿真、分析和优化。