【单选题】We bought ______ a present, but _______ didn’t like it.
【判断题】蛋白质的二级结构是指肽链中局部肽段骨架形成的构象。
【多选题】散养鸡的饲养模式有优质肉鸡生产和蛋肉兼用生产两种,以下属于散养鸡的蛋肉兼用生产模式的是( )。
【简答题】We bought ______ some books, but _______ didn’t
like them.A. they ,them B. them, they C. themselves, their D. their, they
【单选题】以下属于蛋用型鸡的标准品种的是( ) 。
【单选题】We bought ______ a present, but _______ didn’t like it.
【单选题】M: How did you like the fireworks last night? W: I really didn’t enjoy them too much. There was such a big crowd that we couldn’t get very close. Why didn’t the woman enjoy the fireworks?
B.
Because she couldn’t understand it.
C.
Because her child always made trouble.
D.
Because she stood far away.