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【简答题】
画布中提供了两种保存方法,一种是不指定文件名的方法,另一种方法可以由开发者确定文件名,叫作“( )”。
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皮皮学刷刷变学霸
举一反三
【多选题】The following statements about Americans are :
A.
Most Americans put great faith in the future.
B.
Most Americans are constantly planning for the future.
C.
Many of them can hardly wait to finish what they are doing so that they can move on to something else.
D.
What they want, they want now, so they can dispose of this moment and move on to the next.
【单选题】Today there are about seven ______ Americans in colleges and universities
A.
millions
B.
million
C.
millions of
D.
million of
【简答题】Americans never tell others about their weight.
【单选题】The factor associated with anemia is( )
A.
lack of intrinsic factor and vitamin B-12 malabsorption
B.
pepsin can’t hydrolyze proteins
C.
gastric acid deficiency
D.
lack of intrinsic factor and vitamin C malabsorption
E.
hypofunction of chief cell
【简答题】平面任意力系向作用面内一点简化，根据力的平移定理，可以得到一个平面汇交力系和一个 。
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