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【单选题】
They are sure they have all the facts they need to ______ the existence of a black hole.A.
obtain
B.
maintain
C.
verify
D.
display
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【单选题】听力原文：M: Good morning. W: Good morning. How can I help you? M: I understand that the school organizes...umm, trips to different... W: Yes, we run five every month: three during weekends and two Wednesd...
A.
Once a week.
B.
Three every month.
C.
Five every month.
D.
Two every month.
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D.
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【单选题】听力原文：M: Good morning. W: Good morning, sir. M: I'd like to enquire about flights to Paris. W: Yes, sir. M: Could you tell me how often they go? W: Let me see. The first one leaves at seven in the morn...
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【单选题】Receptionist: Good morning. Hopkins Dental Surgery. Charles: Good morning ______. Receptionist: I see. Can you come on Thursday morning? Charles: No, sorry I can't. I'm afraid I have classes every mor...
A.
I'd like to make an appointment to see the dentist, please.
B.
I've got a toothache. Would you please help me?
C.
I've got the toothache. When can you come to see me?
D.
I would appreciate it if you tell the dentist to come right now.
【单选题】听力原文：M: Good morning. W: Good morning. How can I help you? M: I understand that the school organizes...umm, trips to different... W: Yes, we run five every month: three during weekends and two Wednesd...
A.
Once a week.
B.
Three every month.
C.
Five every month.
D.
Two every month
【单选题】听力原文：M: Good morning. W: Good morning, sir. M: I'd like to enquire about flights to Paris. W: Yes, sir. M: Could you tell me how often they go? W: Let me see. The first one leaves at seven in the morn...
A.
Traveler and agent.
B.
Manager and worker.
C.
Shop assistant and customer.
D.
Classmates.
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