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【单选题】
固体粉末具有颜色的药物是A.
链霉素
B.
利福平
C.
红霉素
D.
阿司匹林
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反馈参考答案：
举一反三
【简答题】长分散重复序列(long interspersed repeated sequence，LINES)
【单选题】Through long power lines electricity goes ______.
A.
to the place needed
B.
there it is needed
C.
where it is needed
D.
which it is needed
【单选题】配合H/p、r、s多用于
A.
孔轴有相对运动的配合
B.
孔轴无相对运动,但定心精度要求高的配合
C.
孔轴低速回转或往复运动的配合
D.
孔轴之间无紧固件而传递较小转矩的配合
【单选题】Rationing by long lines is
A.
inefficient, because it wastes buyers' time.
B.
efficient, because those who are willing to wait the longest get the goods.
C.
the only way scarce goods can be rationed.
D.
only necessary if price ceilings are not binding.
【简答题】Through long power lines electricity goes ________. [A] to the place needed [B] there it is needed [C] where it is needed [D] which it is needed
【单选题】— How is the _______ in Tiandong? — It’s getting worse and worse. There are always long lines of cars on roads.
A.
culture
B.
food
C.
weather
D.
traffic
【单选题】Visitors to the National Museum can avoid long lines at the ticket booths by purchasing tickets ____.
A.
in advance
B.
in detail
C.
out of order
D.
with caution
【单选题】--- How is the _______ in Hangzhou ? --- Awful. There are always long lines of cars on roads .
A.
culture
B.
food
C.
weather
D.
traffic
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