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【单选题】
He noticed that the straight part of the dance was different in the afternoon from ________ it had been in the morning.
A.
that
B.
where
C.
what
D.
which
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【简答题】Finish the words. 按要求写单词。 1. 反义词 old → hot → under → 2. 缩写 Let us → How is → What is →
【多选题】不能减少测定过程中偶然误差的方法有( )。
A.
进行对照试验
B.
进行空白试验
C.
进行仪器校正
D.
增加平行测定次数
【单选题】以下没有扫描功能的图像软件是 _______ 。
A.
PhotoShop
B.
我行我素
C.
画图
D.
扫描大师
【简答题】看图,读句子,回答问题。 1. Is she a teacher? ______________________________________ 2. What's that under the chair? ______________________________________ 3. How many apples are there on the table? _____________...
【多选题】介质过滤除菌的机理:
A.
惯性冲击
B.
阻拦滞留
C.
重力沉降
D.
布朗扩散和静电吸引
【简答题】&8226;The staff at your company were recently asked what they thought about working conditions. Your line manager has asked you to write a report summarising their opinions and suggesting possible imp...
【单选题】题: 万能渐开线检查仪转动操作手轮使导板移动时,通过杠杆机构使带有测头的()移动。
A.
测量滑架
B.
钢带
C.
指示器
D.
被测齿轮
【简答题】大多数人都害怕公共演说。一想到要独自站在一大群听众面前讲话就会吓得不知所措。 Most people fear public speaking. They are always _______ the thought of standing alone in front of and speaking to a large audience.
【单选题】Under what circumatances were American jeans born?
A.
To meet the needs of tents.
B.
To meet the needs of a special resilient fabric.
C.
To meet the needs of utilitarian work trousers for gold diggers.
D.
To meet the needs of the development of the US fashion manufacturing system.
【简答题】空气过滤除菌的机理(介质过滤除菌的机理)。
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