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【单选题】
按机床的运动轨迹来分,数控机床可分为 ( )A.
硬线、软线
B.
开环、闭环和半闭环
C.
车床、铣床、加工中心
D.
点和直线控制、轮廓控制
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举一反三
【单选题】Which of the following is true according to the passage?
A.
The goalmouth is equal to the weapon in hunting
B.
Without hunting our forefathers couldn't live
C.
After our forefathers became farmers, they still hunted for food
D.
Farmers are satisfied with stable lives, and they didn't have enthusiasm for hunting any more
【简答题】Why King Alfred is named as “Alfred the Great”?
【单选题】Alfred the Great was the king of ________.
A.
Wessex
B.
Essex
C.
Great Britain
D.
Wales
【单选题】关于逻辑判断,以下说法正确的是__________。
A.
通常我们用逻辑值“真”或“假”表示条件“满足”或“不满足”。
B.
在高级程序设计语言中（比如：Python语言），通常允许用数值充当逻辑值。
C.
比较运算的运算量可以是多种数据类型，而结果是逻辑值。
D.
A、B、C都对。
【简答题】正常胸部叩诊音有哪几种?
【简答题】盆景制作常用树木种类有：松柏类、观花类、（）类、观叶类、杂木类、藤木类和花草类。
【单选题】Which of the following is NOT true about the 'rejection phase'?
A.
The newcomer is stressed but positive.
B.
The newcomer pays much attention to the negative sides of life.
C.
The newcomer refuses to accept the host culture.
D.
If the newcomer is not strong-willed enough, he may not be able to survive this stage successfully.
【单选题】Which of the following statements is NOT true?
A.
Alfred the Great started the English navy.
B.
Alfred the Great reorganized the Saxon army, making it more efficient.
C.
Alfred the Great established schools and formulated a legal system.
D.
Alfred the Great imposed a tax, called the dangled, on the Saxons.
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