矫形矫治的时间一般为 () A.1~3个月 B.3~4个月 C.4~6个月

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问题:

矫形矫治的时间一般为 ()

A.1~3个月

B.3~4个月

C.4~6个月

D.6~12个月

E.12~18个月

考点:口腔正畸(医学高级)医学高级(口腔正畸)仿真试题三十二
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根据下列各句句意和空白之后的汉语提示词,在答题卡指定区域的横线上写出对应单词的正确,完整形式,每空只写一词。

小题1:The students are required to ________ (复述)the story after reading it.

小题2:In _______ (三月), the weather begins to get warmer in northern China.

小题3:To _______ (证明) his point, Professor Brown mentioned several other experiments which had similar results.

小题4:The little girl picked some grapes and put them into her _______(篮子).

小题5:They want to _____ (邀请) us to go over to their place and stay for the weekend.

小题6:Fewer than a thousand ______ (大熊猫) still live in the wild.

小题7:Such a blood pressure is ______ (正常的) for a person of his age.

小题8:I’ve got a good sense of _______ (平衡) and learnt to ski quite quickly.

小题9:The boy looked at his father ______ (满怀希望地) because he thought his father had brought him a present.

小题10:These measures are strongly _______ (支持) by environmental groups.

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不属于商品市场需求量的是()。

A.国内消费量

B.出口量

C.进口量

D.期末商品结存量

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DF4B型内燃机车,柴油机在1000±10r/min时,平均功率为()。

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简述动态功率控制(PowerControl)的种类,及功率控制的方法、原则和优点是什么?

题型:单项选择题

亚硝酸盐食物中毒的机理是______。

A.巯基酶失活

B.胆碱酯酶活性被抑制

C.溶血作用

D.低铁血红蛋白氧化成高铁血红蛋白

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