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【单选题】
比亚迪混合动力总成的高压系统电压为A.
400v
B.
500v
C.
550v
D.
600v
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反馈参考答案：
举一反三
【简答题】The problem is not _____ so easy as you think. It's far from being settled. A: nearly B; hardly C; almost
【单选题】根据下列选项，回答 197～201 题：
A.
在6-位酰胺侧链的α-位引入极性亲水性基团，如-NH2、-COOH、-SO3H等
B.
将3-位的乙酰氧基以甲基、氯原子取代，增加药效和改变药代动力学性质
C.
7-位的酰胺侧链上引入噻吩环等杂环
D.
将3-位的乙酰基以含N的杂环取代，增加药效和改变药代动力学性质
E.
将7-位的乙酰侧链的a-位引入极性亲水性基团，如NH2、-COOH、SO3H等下列半合成抗生素类药物是由青霉素G或头孢菌素C的结构改造而来，它们分别适合上述的哪-条 第197题：氨苄青霉素（ ）。
【简答题】Unsurprisingly, articles debunking the story have not traveled nearly as far on social media as the original versions did. The coronavirus epidemic in China surpassed a grim milestone last week with a...
【单选题】“Not nearly as far as I’m going to go” means ______.
A.
I’m still going to work farther away from home
B.
I’m not going to work far away from home
C.
I’m not satisfied with what I’ve done
D.
What I have done is not far from success
【单选题】The problem is not ____ so easy as you think. It’s far from being settled.
A.
hardly
B.
almost
C.
nearly
D.
scarcely
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