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【单选题】
合剂与口服液最常用的净化方法为A.
液—固萃取
B.
液—液萃取
C.
蒸馏法
D.
沉淀法
E.
升华法
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反馈参考答案：
举一反三
【简答题】fore and aft
【简答题】执行下列程序,了解静态内部类。 class RedCowForm { static class RedCow{ void speak() { System.out,println("我是红牛"); } } } class BlackCowForm { public static void main (String args[]) { RedCowForm.RedCow red= new RedCo...
【单选题】Detach the fore and aft side hooks, （）the fore and aft boat nests.
A.
take in
B.
take on
C.
take off
D.
take down
【单选题】When are fore and aft draft readings required to be entered in the unofficial logbook of a ship?
A.
Once a day
B.
Once a week
C.
Prior to getting underway
D.
Only when entering waters of different density
【单选题】________ ：The main center-line structural member，running fore and aft along the bottom of a ship，sometimes referred to as the backbone．
A.
Frame
B.
Deckbeam
C.
Stringer
D.
Keel
【单选题】In a married falls rig at the after end of a hatch，a boom is rigged in a fore and aft line through its heel．Stresses on the outboard guy will be LEAST if the guy is made fast at a point ______．
A.
Abreast the heel
B.
At right angles to the boom when viewed from above
C.
Aft of the heel
D.
Forward of the spiderband
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