最终幻想克莱德女装:很简单的题...
来源:百度文库 编辑:神马品牌网 时间:2024/10/05 05:26:38
the job seemd to be very easy改成
it seemed very easy to the job 对不对?
it seemed very easy to the job 对不对?
不对
it seems the job is very easy
解:原式=(1/sin40)+(cos80/sin80)
=(1/sin40)+[sin10/(2sin40cos40)]
=(2cos40 + sin10)/(2sin40cos40)
=[2sin50 + sin(60-50)]/(sin80)
=(2sin50 + sin60cos50 - cos60sin50)/(sin80)
=[2sin50 + (√3/2)cos50 - (1/2)sin50]/(sin80)
=[(3/2)sin50 + (√3/2)cos50 ]/(sin80)
=(√3)[(√3/2)sin50 + (1/2)cos50 ]/(sin80)
=(√3)(sin50cos30 + cos50 sin30)/(sin80)
=(√3)(sin80)/(sin80)
=√3
to后面应该跟动词
应该是:It seemed very easy to do the job.
seem属于感官动词,后面可接adj也就是形容词
有个固定句式是seem(+adj) to do s.th
所以将the job seemd to be very easy改成
it seemed very easy to do the job 才是正确的!!
seem是感官动词,不属于实意动词这样改句子中就没有了动词,不能成为一句句子,应为:it seemed very easy to do the job。
改成
it seemed very easy to do the job 就对了