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【简答题】
请写出该细菌的形态 和颜色 。
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【简答题】Good Morning Britain’s Susanna Reid is used to grilling guests on the sofa every morning, but she is cooking up a storm in her latest role — showing families how to prepare delicious and nutritious me...
【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.
【简答题】原子发射光谱作定性分析时经常以( )光谱作为基准来判断其他元素的谱线。
【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.
【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, 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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