问题补充:
30 % of the young trees, attacked by diseases, pine trees.
A. is
B. are
C. was
D. has been
答案:
A. is
(答案→)B. are
C. was
D. has been
解析:本题考查主谓一致,百分数+名词,其后的谓语动词与名词保持一致,故谓语动词用复数。句意:遭受病害3 0%的小树是松树。
时间:2022-07-06 19:10:56
30 % of the young trees, attacked by diseases, pine trees.
A. is
B. are
C. was
D. has been
A. is
(答案→)B. are
C. was
D. has been
解析:本题考查主谓一致,百分数+名词,其后的谓语动词与名词保持一致,故谓语动词用复数。句意:遭受病害3 0%的小树是松树。