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【单选题】
The feature labelled dimensioning 6×1.5 is: (Single option: 10 points)A.
Threaded escape
B.
Grinding undercut
C.
Chamfer
D.
None
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举一反三
【简答题】五、介词填空: (10%) 1. His painting is similar _______ his teacher’s ________ style. 2. Businessmen are always running ________ the profits ( 利润 ). 3. ________ my opinion, it is hard work that contributes t...
【简答题】误差分成三类：随机误差、（ ）和粗大误差。
【简答题】Chinese painting is said to have the same orrigin as _______.
【简答题】已知圆锥侧面展开图的面积是15πcm 2 ，母线的长是5cm． （1）这个圆锥的底面半径是多少？ （2）在这个圆锥的底面上，有一点P，它到中心O的距离是1cm．请找出过这一点到边缘两端的最长弦和最短弦的长．
【单选题】It’s said that this is the first time the painting_____ to the public, which attracts many people.
A.
were displayed
B.
are displayed
C.
has displayed
D.
has been displayed
【判断题】Since similar tools and lines were used for the earliest painting and writing, traditional Chinese painting is said to have the same origin as Chinese calligraphy.A. √ B. ╳
A.
正确
B.
错误
【简答题】线粒体电子转移链中的一种重要蛋白质:酵母细胞色素氧化酶由7个亚基组成,但是只有其中的4种亚基的氨基酸顺序由酵母核内DNA编码,那么其余三种亚基的氨基酸顺序所需的信息来自何处?
【简答题】线粒体电子转移链中的一种重要蛋白质：酵母细胞色素氧化酶由7个亚基组成，但是只有其中的4种亚基的氨基酸顺序由酵母核内DNA编码，那么其余三种亚基的氨基酸顺序所需的信息来自何处？
【单选题】Standingin front of the painting, I said to myself, “______!”
A.
What beautiful picture
B.
What a beautiful picture
C.
What picture
D.
What a beautiful picture is it
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