My brother _____ the army for three years.
A:has been in
B:has joined
C:has taken part in
D:has got to
在校运会上,小江打破了初中男子100米的校运会纪录,在一片赞许声中,小江登上了领奖台。此时,他的心里格外激动,这是因为( )
①他的虚荣心得到了满足 ②他的自尊心得到了满足
③他的成绩得到了他人的肯定④他缺乏自制力
⑴How many pears do you see?____ A. OK.
⑵Let's read a book.____ B. I have 20.
⑶Look at my new toy car.____ C. Oh, how beautiful!
⑷How many eggs do you have?____ D. I see 12.
⑸Can you count with me?____ E. Sure. 1, 2, 3. . .
物种的灭绝是一个____ 过程,但目前人为的活动大大加速了物种灭绝的速度。物种一旦灭绝,便不可____ 。