右图是某只含有C、H、O、N的有机物简易球棍模型。下列关于该有机物的说法错误的是A.该有机物能与氢气发生加成反应 B.该有机物名称为α-氨基丙酸C.该有机物的分子式为C3H7O2N D.该有机物能发生酯化反应
All the dishes in this menu, ______ otherwise stated, will serve two to three people.
The children loved their day trip, and they enjoyed the horse ride ______.
Progress______ so far very good and we are sure that the work will be finished on time.
Charles was alone at home, with_______ looking after him.
It is often ______ that human beings are naturally equipped to speak.