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【判断题】
启动过程中,电磁开关内的线圈被短路,由吸拉线圈维持起动状态。
A.
正确
B.
错误
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【简答题】试述产品生命周期理论的主要内容及其意义。
【单选题】在以下选项中,与k=n++完全等价的表达式是
A.
k=n;++n;
B.
n=n+1;k=n;
C.
k=++n;
D.
k+=n+1;
【单选题】My father bought a desk for me. It is ________wood. [     ]
A.
made of
B.
made from
C.
made into
D.
made up of
【简答题】试述产品生命周期理论的主要内容及其意义。
【简答题】根据下列材料,回答下列问题。 我国某中学地理小组进行了如下测定当地经纬度的活动。 测量工具:自制支架一个、学习用量角器一个、重锤一只(系有细绳)、手表一块(已和中央人民广播电台校准时间)。 安装方式:如图,A为量角器直线边投射的日影,AB⊥PA。 测量日期:12月22日。 测量地点:校园内P点。 测量结果:在手表显示12时58分时角β最小,为52°56′。 该地最接近于长沙、重庆、武汉...
【单选题】What the teacher said made the father __________. 查看材料
A.
angry
B.
worried
C.
sad
D.
tired
【单选题】Which of the following statements is NOT made by the countries in the Summit?
A.
They promised to lower the food prices.
B.
They promised to make efforts to relieve the hunger issue.
C.
They promised to help developing countries get more independent.
D.
They promised to increase aid for agriculture.
【单选题】The twins made a special meal for _____father on Father’s Day.
A.
they   
B.
their    
C.
them
【单选题】When father was young, he ______ from morning till night. [     ]
A.
was made work
B.
was made working
C.
made to work
D.
was made to work
【单选题】在下列四组投影图中,直线 AB 与 CD 一定垂直相交的是______。
A.
B.
C.
D.
D
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