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【单选题】
下列有关HIV的病原学特点不正确的是A.
主要侵犯CD8+细胞
B.
有HIV-1、HIV-2两个型
C.
为RNA病毒
D.
属逆转录病毒科
E.
慢病毒亚科
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举一反三
【单选题】--Hey, Joe, why not eat out to celebrate Mum’s birthday? She makes meals for us every day. -- _________
A.
Yes, she will.
B.
Good idea.
C.
Let me have a look.
D.
We will go.
【简答题】五大激素种,诱导淀粉酶形成,促进麦芽糖化的植物激素是______。促进抽薹开花的是______。促进果实成熟的是_______。促进橡胶分泌的是________。
【单选题】Why did Tom want to go and eat out that evening?
A.
Because he was bored with the food his father cooked.
B.
Because he was bored with the home-made food.
C.
Because he liked the atmosphere at the restaurant.
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