【简答题】按运算符的功能来分,基本的运算符可以分为____________、____________、____________、____________、____________、____________等类型。
【单选题】'( ) should be given to public transportation in large and medium-sized cities and the increase in family cars should be kept within reasonable limits.应该优先发展大中型城市的公共交通,对于家庭车辆的增长则应控制在合理的限度内。
【单选题】which is WRONG about medium-sized artery:
A.
three layer can be seen clearly
B.
internal elastic membrane is prominent
C.
external elastic membrane is prominent
D.
tunical media composed by 10-40 layers of smooth muscle
E.
fibroblast can synthesis ground substance in tunica medium
【单选题】下列有关有机物结构、性质和用途的叙述错误的是 [ ]
A.
甲烷与氯气发生取代反应的产物二氯代甲烷无同分异构体,说明甲烷是正四面体结构
B.
乙酸和乙酸乙酯中都含有碳氧双键,但它们都不能使溴的四氯化碳溶液褪色
D.
苯、乙烯都是重要的化工原料,可以合成橡胶、纤维与塑料
【单选题】下列物质中,不能和氯气发生取代反应的是( )。
【简答题】Unlike small and medium-sized stars, large stars ______ quickly.
【多选题】【课堂练习 6 】下列各项中,应包括在资产负债表 “ 存货 ” 项目的有 ( ) 。
【简答题】medium- sized income