试题与答案

电缆直埋敷设施工前应先采取何种安全措施确保不损坏运行电缆和其他地下管线?

题型:问答题 简答题

题目:

电缆直埋敷设施工前应先采取何种安全措施确保不损坏运行电缆和其他地下管线?

答案:

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参考答案:已知验证 z1+z2=40+70=110z3+15=55+15=70z1+z2>z3+15z3+z4=55+50=105z2+15=70+15=85z3+z4>z2+15故安装交换齿轮时不会发生干涉。交换齿轮齿数分别为:z1=40、z2=70、z3=55、z4=50

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People today in this busy world have lost sight of what true friendship is. I think I would help the world out a little and tell them what true friends are. _________1_________  Friends have similarities(相似点) but they also have differences. The key to building friendship is not only to expand similarities but also to accept each other’s faults.

_________2_________  No one likes to argue but it is necessary to have a healthy friendship, because if you agree on everything, either you aren’t being true to each other or one of you is trying too hard to please the other. If you feel uncomfortable around the person, then something isn’t quite right.

_________3__________ They have their little angry moments but what’s done is done and all is forgotten. Why let something that happened in the past ruin your happy friendship in the future.

_________4____________ Some people think that you have to know someone really well to become good friends. Trust me, it’s not true.

__________5___________  Just remember, friends are forever.  Respect your friends and love them forever.

A.Believe in love at first sight because the same thing happens in friendship.

B.These are only the key points of being a true friend

C.Don’t believe your first impression.

D.Friends don’t have to be exactly the same.E.   Friends love each other unconditionally(无条件地).

F.   Friends have to argue!

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