吴门四家出现在()。
A.元末
B.明初
C.明中期
D.明末
参考答案:C
After many attempts, she ________ managed to get promotion.
A.immediately
B.suddenly
C.naturally
D.eventually
关于母乳下列哪项有错()
A.<4日的母乳称初乳
B.母乳中含有多种生物活性物质
C.母乳中含较多游离氨基酸
D.母乳中乳糖含量高,对钙吸收有利
E.母乳中矿物质含量高于牛奶