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【单选题】
种子类药材脱脂后粉碎,可选用()或石油醚脱去大量油脂。A.
超声法
B.
色谱法
C.
冷浸法
D.
压榨法
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皮皮学刷刷变学霸
举一反三
【单选题】When they have questions about the flight, passengers can turn to ______.
A.
the captain
B.
flight attendants
C.
other passengers
D.
the engineers
【单选题】In "We are in a panic when hearing that we could die in this flight.",which part is the main event of the sentence?
A.
We are in a panic
B.
We could die in this flight
C.
In a panic
D.
When hearing that we could die in this flight
【单选题】A : When is the next flight to Los Angeles? B : _________________________________________
A.
Yes. Thank you!
B.
Monday, September 12.
C.
One way is $176.
D.
I will take the 9:30 flight on Tuesday.
【单选题】when you have to transfer by some place, what kind of flight is it?
A.
direct flight
B.
non-stop flight
C.
straight flight
D.
connecting flight
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