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【单选题】
The economic miracle created by China amid the world economic ( ) has made the country very attractive to foreign companies.在世界经济衰退中，中国所创造的经济奇迹使其对外国公司充满吸引力。A.
slowdown
B.
sluggish
C.
surge
D.
soar
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【单选题】Jessie was distressed these days for she always ______ with her mother-in-law in childcare.
A.
groaned
B.
collided
C.
crashed
D.
grieved
【简答题】Mrs Morgan's daughter always helps her mother wash clothes．28． Mrs Morgan's daughter always helps her mother wash clothes．
【单选题】My mother always ______ clothes in the evening, but tomorrow she ______ them in the afternoon.
A.
washes, washes
B.
washes, is going to wash
C.
washed, washes
【简答题】中国的第一个提出建设物联网城市是
【单选题】Mother always puts the knife beyond the reach of the kids lest they ______ it.
A.
had taken
B.
took
C.
would take
D.
should take
【单选题】Not others but Mother always _____ children ______ in their beautiful clothes.
A.
keep; dressed
B.
kept; dressing
C.
keeps; dressing
D.
keeps; dressed
【多选题】三维动画技术虽然相比二维动画技术更具有立体感、透视感，更加写实，但是在使用三维动画前，我们还是要强调能实不虚的原则，表达课程内容或教学案例。那么什么情况下采用三维动画技术效果更好？正确的选项是 。
A.
受到客观条件限制的课程
B.
机械类课程，需要深入剖析零部件内在的结构与原理
C.
还原场景的课程
D.
机械类课程，能够真实展示零件拆卸过程，直观看到机械构造
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