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【单选题】
在直角坐标系xOy中， i， j 分别是与x轴，y轴平行的单位，若直角三角形ABC中， AB =2 i + j ， AC =3 i +k j ，则k的可能值有（ ）A.
1个
B.
2个
C.
3个
D.
4个
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【简答题】topic: My views on online teaching talk about the advantages and disadvantages of online teaching choose one advantage or disadvantage and write a paragragh.
【单选题】The more women and minorities make their way into the ranks of management, the more they seem to want to talk about things formerly judged to be best left unsaid. The newcomers also tend to see office...
A.
the opinions which are contrary to the established beliefs
B.
criticisms that shape everyone’s experience
C.
the ideas which come up with new ways of management in the organization
D.
the tendencies that help the newcomers to see office matters with a fresh eye
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【单选题】How should a parent with strong political opinions talk to their child about their views? If you listen to the pollsters, you're not alone: all but a narrow slice of America has strong political views...
A.
answer children's questions and explain to them why you adopt the views as simply as possible.
B.
use your body languages and voice inflections to show your political views.
C.
write your views in a book and then read the book to your children as bedtime stories.
D.
discuss the politics with your children and try to arouse their interest hi politics.
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