用括号里所给单词的适当形式填空 1.Can I （have）a look at your pictures? 2.My father wants （order）a large bowl of noodles now. 3.They had some great
选出下列各句中划线的熟语使用正确的一项（ ） A.中日两国人民通过民间交往，逐渐增进了了解，最终签订了城下之盟，希望子孙后代保持睦邻友好
Such_________ social environment helps people live a harmonious and happy life. A. practical B. sensitive C. common D. stable
鸟类最发达的肌肉是（ ） A、两翼上的肌肉 B、两腿上的肌肉 C、翼和腿上的肌肉 D、龙骨突上的肌肉
下列物质的分离（或提纯）方法正确的是A．分离乙醇与乙酸——萃取 B．提纯硝酸钾（含少量氯化钾）——蒸发结晶 C．提纯粗盐（含有泥沙
Do you often________books on Sundays? A．look at B．see C．read D．watch
________ is often the case with old people, my grandfather is fond of talking about good old days. A. Which B. That C.
若复数是纯虚数(是虚数单位)，则的值为 A． B． C． D．
在点（
处切线的倾斜角为（ ）
B. 
C. 
D. 
.