皮皮学，免费搜题
登录
搜题
【单选题】
肌肉收缩时,如果后负荷越小,则肌肉:A.
收缩时耗能越大
B.
缩短的速度越大
C.
完成的机械功越大
D.
产生的大
E.
开始收缩的时间越迟
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】I went into a furniture shop in order to buy a picture. The salesman told me--'The picture is five times the cost of that ashtray, the chair is 30 times the cost of the ashtray, the table is 4 times t...
A.
￡5.
B.
￡10.
C.
￡15.
D.
￡20.
【单选题】I have a picture.It is drawn by my grandfather. (改成定语从句)
A.
I have a picture who is drawn by my grandfather.
B.
I have a picture that is drawn by my grandfather.
C.
I have a picture where drawn by my grandfather.
相关题目：