题目

:这类植物都长着细藤,自身不能直立生长,而要缠绕在其他物体上,或借助卷须、吸盘等攀附在其他物体上生长。 A . 藤本植物 B . 灌木 C . 草本植物 答案:AWith a lot of difficult problems _______, the government are looking for attractive measures. A. to settle  B. settling  C. settled  D. being settled
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