问题

The machine is designed to _______ peoplerecycle wastes to a great degree but the result still remains to be seen.

A:aid
B:help
C:assist
D:improve

正确答案是：

同类题型

He Tokyo for long.

Li Yuchun is said to have been invited to 2014CCTV Spring Festival Show—- Really It’s been a long time ___________ she won the champion inSuper Girl in 2005

下列句子按句式特点分类正确的一组是（）①戍卒叫，函谷举 ②阳春召我以烟景 ③而身死国灭，为天下笑 ④秦人不暇自哀 ⑤使负栋之柱，多于南亩之农夫 ⑥赂秦而力亏，破灭之道也 ⑦有如此之势，而为秦人积威之所劫

You went to the concert yesterday, ____

Tim, drink your milk and set a good example ______ the other children!