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【单选题】听力原文： Collecting information about pre-employment and filling out an application form. are closely connected. However, filling out an application form. is much easier because you have total control an...
A.
Because you can plan and have control of the needed time.
B.
Because you can control the form. filling with enough time.
C.
Because everything connected with application forms is easier.
D.
Because it is easier to collect information about pre-employment.
【简答题】说明X62W型万能铣床工作台各方向运动，包括慢速进给和快速移动的控制过程，说明主轴变速及制动控制过程，主轴运动与工作台运动联锁关系是什么？
【单选题】They form a polar molecule, ____ is, ____ with a slightly positive end and a slightly negative end.
A.
which; that
B.
it; one
C.
that; one
D.
one; that
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