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【单选题】
设 ，则此函数在区间 内为（ ）A.
单调递增
B.
先增后减
C.
单调递减
D.
先减后增
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举一反三
【单选题】No matter how much time I spend planning a class, little things still _____ go wrong. So I had no perfect class and I reflected all the time.
A.
deliberately
B.
obviously
C.
originally
D.
occasionally
【单选题】No matter how hard the teacher tries to teach his class, his efforts have little affect upon the students who refuse to study the assigned material.
A.
tries to teach
B.
efforts have
C.
affect
D.
refuse to
【单选题】The task wasn't worth our efforts at all. It made little ______ no matter how hard we worked. [ ]
A.
effect
B.
use
C.
result
D.
difference
【单选题】根据以下内容回答题： Celebrities lead very stressful lives，for no matter how fascinating or powerful they are，they have too little privacy，too much pressure，and no safety. For one thing，celebrities don’t have t...
A.
shoppers
B.
celebrities
C.
reporters
D.
photographei's
【简答题】全国人民代表大会制度的核心内容和实质是（ ）。
【多选题】防护装备脱卸的注意事项包括:
A.
脱卸时少接触污染面
B.
脱下的眼罩、胶靴等非一次性使用的物品直接放入消毒桶内浸泡
C.
使用过的一次性物品放入黄色医疗废物收集袋中作为医疗废物集中处置
D.
脱卸防护装备每一步都要行手消毒，所有防护装备脱完后再次洗手、消毒
【简答题】国家的一切权力属于人民是我国人民代表大会制度的核心内容和实质。判断对错
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