According to a UN report,a number of animals and plants （ ）in the last 500 years
A、has been disappeared B、has disappeared
C、have been disappeared D、have disappeared
为什么不选C
人气：370 ℃ 时间：2019-08-17 23:16:16
解答
D在过去的500年时间里,主语是a number of animals and plants是复数形式,所以用have,而animals和plants不是被消失,而是消失,所以不能用be done的形式
推荐
- according to a recent report,one of the rare animals,______crocodile,will be in danger of dy...
- According to the report ,the number of animais used in experiments( ) by 30/100 over the year.
- The UK economy last year performed(well)----than expected according to the report.
- write a report about your last school trip according to the following questions.
- According to the report ,the railway ____ now will cut the journey time between the two cities by around 12 hours.
- 电场强度处处相同的区域内,电势也一定出处处相同.为什么不对?
- 鸡兔200只,鸡的腿数比兔的腿数少68条,鸡、兔各有多少只?
- 为毛说二次函数中|a|越大,抛物线开口越小,|a|越小,抛物线开口越大.
猜你喜欢
- 若电极材料为铜和石墨,电解质溶液为硫酸铁溶液,外加导线,能否构成原电池?
- 英语翻译
- 线性代数计算：已知a=[1 2 3],b=[1 1/2 1/3].,a的转置为c,设A=c*b ,求A^n （n>1)
- 1）如图1,在平面直角坐标系中,直线l是第一.三象限的角平分线,由图观察易知A(0,2).B(5,3) C(-2,5)关于直线l的对称点分别是A’____,B’___,C’____;
- 已知角度(弧度)和圆半径求两点间的距离
- 不由自主全神贯注辗转难眠甜蜜蜜用这些词语写一段话
- 一首清明诗 动一个标点改成一首小词
- one way 与round trip的区别
