人体共有_________余块肌肉,其重量约占成人体重的_________。
参考答案:600;40%
The mountains lie near our hotel. There is a fine ________ of the mountains from our hotel window.
A.scenery
B.picture
C.view
D.screen
判断并改正:高增长、低竞争力的现金牛产品往往是正处于成熟期的经营单位。