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【多选题】
关于注射部位药物的吸收正确的叙述是（ ）。A.
肌内注射没有吸收过程
B.
药物的亲油亲水性是影响吸收的一个重要因素
C.
相对分子质量越大，吸收越快
D.
对于相对分子质量大(5000～20000)的药物，淋巴系统是重要的吸收途径
E.
混悬型注射剂药物吸收为零级过程
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【单选题】He was all wet when he got home because he _____ his umbrella in the underground. [ ]
A.
took
B.
forgot
C.
left
D.
brought
【单选题】He took his umbrella with him lest it _____.
A.
rains
B.
rained
C.
will rain
D.
should rain
【简答题】设A=P(x，y，z)i+Q(x，y，z)j+R(x，y，z)k， r=xi+yj+zk． 求证dA=(grad P·dr)i+(grad Q·dr)j+(grad R·dr)k．
【简答题】阅读理解。 It was a beautiful sunny day. Miguel decided to go to the beach. He called his friends, but Mario was at work, and Rosa was at her grandmother's home. So he had to go to the beach alone. He took...
【简答题】Complete the sentences with but, because or so.(用but,because,或 so填空) He was tired 1 he took a nap. He was wet 2 he forgot his umbrella. The zoo was busy, 3 we still got to see the pandas. We'd better ...
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