吸盘应低于滑轨顶部夹约（）。A、18mm B、15mm C、20mm

发布时间：2017-10-14 14:29 │ 来源：www.tikuol.com

题型：单项选择题

问题：

吸盘应低于滑轨顶部夹约（）。

A、18mm

B、15mm

C、20mm

考点：食品科学技术食品包装食品包装题库

题型：单项选择题

从下面方框中选择适当的选项填人短文中，使短文通顺、完整.选项中有两个选项是多余选项。

A.school B.from C. open D. But E. write F. talk
G. So H. more I. say J. early K. brother L. surprised

     Tommy hated school and was always looking for excuses not to go.  If he sneezed, he askcd his
mother to     1      a note saying he had a cold. If he had a headache, he asked his mothcr to take him to
the doctor during    _2     hours.  He spent     3      timc at home than he did at school. He often looked
for excuses to come home     4    .
     One day, he came home     5      school in the middle of the morning.  His father was     6     . "You're
home early he said.  "Is school closed today?"
     "No, Dad," Tommy said. "It's     7    .  I came home early. "
     "How did you do that ?" his father askel him.   6'What did you __8 _ to the teacher ?"
    "I told her that I had a new baby _  9     and that 1 had to come home and help you. "
     "   10     your mother has had twins," his father said,  "a boy and a girl. You're got a baby brother and
a baby sister."
     "Yes, I know, Dad," Tommy said.  "I'm saving up my baby sister for next week"

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题型：单项选择题

制作冠核熔模时，常用的分离剂是

A．藻酸盐分离剂
B．凡士林
C．熔模用分离剂
D．石蜡油
E．护肤品

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题型：单项选择题

黑痣为良性肿物，可分为（）。

A.皮内痣、皮外痣和交界痣

B.皮内痣、皮下痣和交界痣

C.皮下痣、交界痣和混合痣

D.皮内痣、交界痣和混合痣

E.以上都不是

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题型：单项选择题

患者男，15岁，直面型，鼻唇角正常，面下1／3正常，颏唇沟略深。前牙Ⅱ度深覆，覆盖4mm，磨牙远中尖对尖关系，上颌拥挤4mm，下颌无拥挤，第二磨牙已完全萌出

若该患者资料显示不允许上下前牙唇倾，下颌需向前诱导，治疗计划可能为（）。

A.不拔牙矫治

B.拔除两个上颌第一双尖牙

C.拔除双侧上颌第一双尖牙和下颌第一双尖牙

D.拔除双侧上颌第一双尖牙和双侧下颌第二双尖牙

E.拔除双侧上颌第三磨牙，推双侧上颌第一磨牙向远中

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题型：单项选择题

“有无相生，难易相成，长短相较，高下相倾，音声相和，前后相随。”老子这段话说明（）

A.万事万物都在不断的运动中

B.一事物和他事物之间并不存在界限

C.矛盾双方相互依赖，互为存在条件

D.我们必须在运动中把握事物

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