某市8岁正常男孩体重均有95%的人在18.39-29.45公斤,其标准差是()。
A.2.14公斤
B.5.14公斤
C.2.82公斤
D.0.95公斤
E.无法计算
参考答案:C
He has got ______ money from his uncle. [ ]
A. a large amount of
B. loads of
C. a load of
D. all above
—Is this your bike?
—No, . It’s bike.
A. it is, Li Lei’s B. this is, Li Lei C. it isn’t , Li Lei’s