Question

【题目】Trees can help keep the air clean. , they can make the city cooler in hot summer.

A. HoweverB. MoreoverC. OtherwiseD. Indeed

Answer 1

【答案】B

【解析】

句意：树木有助于保持空气清洁。而且，它们还可以使城市在炎热的夏天更凉爽。

A. However然而；B. Moreover而且；C. Otherwise否则；D. Indeed实际上。根据题意前后两句是递进关系，故选B。