严重腹型紫癜患儿应当给予
A.禁食
B.流食
C.半流食
D.低盐饮食
E.少渣饮食
参考答案:A
________ too much exposure to wind may cause the dryness of skin, so too much exposure to the sun may result in cancer.
a. Just as b. While c. If d. Now that
使9 g乙二酸和某二元醇完全酯化,生成W g酯和3.6 g水,则该醇的相对分子质量为 [ ]
A.
B.
C.
D.