- _________ - Oh, well, I'll speak a little slower.

- _________ - Oh, well, I'll speak a little slower.

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- Do you happen to have twenty dollars with you? - _________ - I want to ...

- Do you happen to have twenty dollars with you? - _________ - I want to ...

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- Excuse me, sir. I'm writing a research paper on Chinese culture. Do you mi...

- Excuse me, sir. I'm writing a research paper on Chinese culture. Do you mi...

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药物被脂质体包封后的主要特点有()A.具有靶向性B.具有缓释性C.具有细胞亲和性与组织相容性D.降低药物毒性E.提高药物稳定性

药物被脂质体包封后的主要特点有()A.具有靶向性B.具有缓释性C.具有细胞亲和性与组织相容性D.降低药物毒性E.提高药物稳定性

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- May I borrow those magazines?- _________ You may keep them for two weeks.A.

- May I borrow those magazines?- _________ You may keep them for two weeks.A.

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