根据药物的来源和性质不同,可以将药物分为哪些类型?
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Task 3 : There are five short dialogues about expressing wants and needs. Listen to the dialogues and choose the correct answer to each question.Q: How does the man think of the painting?[音频]
A. It will increase in value.
B. It matches the decoration.
C. It is not expensive now.
D. The colors do not match the decoration.
Task 3 : There are five short dialogues about expressing wants and needs. Listen to the dialogues and choose the correct answer to each question.Q: Why does the man suggest they need to save money?[音频]
A. So they can quit their jobs.
B. So they can go to Italy.
C. So they can go on holidays.
D. So they can go to France.
Task 3 : There are five short dialogues about expressing wants and needs. Listen to the dialogues and choose the correct answer to each question.Q: Why is the woman canceling dinner plans at Emily's?[音频]
A. Because she is sick.
Because her husband is sick.
C. Because she didn't want to go.
D. Because her husband didn't want to go.
Task 3 : There are five short dialogues about expressing wants and needs. Listen to the dialogues and choose the correct answer to each question.Q: What does the man mean?[音频]
A romantic dinner is not enough.
B. He needs an expensive gift.
C. She gave him the perfect gift.
D. She doesn't want to buy an expensive gift.