皮皮学，免费搜题
登录
搜题
【单选题】
比较不同单位资料的差异程度，可以采用何种差异量？（）A.
差异系数
B.
方差
C.
全距
D.
标准差
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’m considering ________a washing machine, which is considered ________a great help to my wife.
A.
buying; to be
B.
buying; being
C.
to buy; being
D.
to buy; to be
【单选题】There is something wrong with my washing machine. I must have it______.
A.
check
B.
checking
C.
to check
D.
checked
【单选题】There is something wrong with my washing machine and it requires _____.
A.
repairing
B.
to repair
C.
being repaired
D.
having repaired
【单选题】Yesterday I put my woolen skirt in the washing machine by mistake and now it has ______ .
A.
shivered
B.
shined
C.
shifted
D.
shrunk
【单选题】I don't like washing my clothes_______. I usually washing them by a washing machine.
A.
by hand
B.
use hand
C.
by machine
相关题目：