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【单选题】
毛果芸香碱对眼的作用和应用是A.
阻断瞳孔扩大肌α受体，缩瞳，降低眼内压，治疗青光眼
B.
阻断瞳孔扩大肌M受体，缩瞳，降低眼内压，治疗青光眼
C.
兴奋瞳孔括约肌M受体，缩瞳，降低眼内压，治疗青光眼
D.
抑制胆碱酯酶，间接的拟胆碱作用，缩瞳，降低眼内压，治疗青光眼
E.
兴奋瞳孔扩大肌α受体，缩瞳，降低眼内压，治疗青光眼
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举一反三
【单选题】— Excuse me, can you tell me the way to the zoo? — Sorry, I'm new here. Please ask that policeman. He _____ know. [ ]
A.
can
B.
need
C.
may
【单选题】—Excuse me, could you tell me _______? —There is a bank on the second floor. You can make it there
A.
how I can get to the bank
B.
where I can exchange money
C.
if there’s a bank near here
D.
where the bank is
【单选题】Excuse me, could you tell me________?
A.
where can I have my MP4 repaired
B.
what was happened to you
C.
how could I go to the e-shop
D.
what is wrong with your bike
【单选题】听力原文：W: Excuse me, how long can I keep the book? M: Two weeks. But you must return it here on time. Q: Where are the two speakers? (14)
A.
In a shop.
B.
At a library.
C.
At a bookstore.
D.
At a bus station.
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