做一套衣服需要2种料子,问做100套同样的衣服需要多少种料子?()
A.126
B.2
C.5
D.41
参考答案:B
方颅见于()
A.佝偻病
B.变形性骨炎(Paget病)
C.呆小症
D.肢端肥大症
E.脑积水
Keeping a balanced diet is one way ______ one can keep healthy.
A.how
B.which
C.不填
D.why