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【多选题】
机体在抗病毒感染中起主要作用的是A.
中性粒细胞
B.
抗毒素
C.
致敏T细胞
D.
干扰素
E.
中和抗体
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反馈参考答案：
举一反三
【简答题】用司盘-80、吐温-80配成混合乳化剂5克,使其HLB值为13.2,计算司盘-80、吐温 - 80用量
【单选题】听力原文：M: Last time, we outlined how the Civil War finally got started. I want to talk today about the political management of the war on both sides: the north under Abraham Lincoln and the south under ...
A.
Advantages of the north in the Civil War.
B.
Civilian opposition to the Civil War.
C.
Reasons to justify fighting the Civil War.
D.
Military strategy used in the Civil War.
【单选题】酶的辅酶是
A.
与酶蛋白结合紧密的金属离子
B.
在催化反应中不与酶的活性中心结合
C.
与酶蛋白共价结合成多酶体系
D.
分子结构中不含维生素的小分子有机化合物
E.
在反应中作为底物传递质子、电子或其他基团
【单选题】I finally got the job I dreamed about. Never in my life ______ so happy.
A.
did I feel
B.
I felt
C.
had I felt
D.
I had left
【简答题】用司盘-80、吐温-80配成混合乳化剂5克,使其HLB值为13.2,计算各个乳化剂的用量
【单选题】听力原文： M: Finally I’ve got the chance to put on my new suit tonight. I hope to make a good impression on your family. W: Come on, it’s only a family reunion. So jeans and T- shirts are just fine. Q: Wh...
A.
The man has left a good impression on her family.
B.
The man’s jeans and T-shirts are stylish.
C.
The man should buy himself a new suit.
D.
The man can dress casually for the occasion.
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