题目内容
（请给出正确答案）
A.petroleum crystals
B.phosgene gas
C.water vapor
D.carbon monoxide
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
更多“In the presence of an open flame or hot surfaces, chlorinated fluorocarbon refrigerants de”相关的问题
Money or Friendship or Both
(1) Friends and money don&39;t mix. It&39;s a dangerous combination since a fight over money is one of the fastest ways to end a friendship. But what if a friend asks you to lend him or her some money？ If you don&39;t lend your friend the money, you risk losing the friend. If you do lend your friend the money, you risk losing both the friendship and your money.
(2) We have to face facts, so here are some situations you might run across with your buddies (伙伴) and some helpful tips (忠告 )on how to deal with them. Think about why this person needs to borrow in the first place. If he is always living beyond his means, it&39;s his fault, not yours.
Any sensible person would not put himself in a position of debt so often. So simply say "no" to this friend. Even if your friend really needs that money for emergency use and you are willing to help him, before you dive into your pocket, follow this reality check: Do you have the extra money？ Are you sure you don&39;t need it？ Are you willing to write off that amount if it&39;s not returned？ If your answers are negative, do yourself a favor and say "no".
(3) Let&39;s assume you can&39;t stand saying "no" to your friend because you don&39;t want him living off cat food. What do you do？ Write down these details on a sheet of paper before opening up your wallet:
Amount of the loan
Date of the loan
Time of repayment
Amount of interest (if any)
Lender&39;s and borrower&39;s signature.
This will at least keep the borrower from forgetting the loan so easily. If your friend&39;s loan is past due, it&39;s important that you ask him-and it&39;s actually not rude. The longer you wait, the more you brood (忧伤), and the more your resentment builds.
(4) You can send him a friendly reminder via e-mail. Tell him something like "I&39;m going over my bank account and I&39;m Just wondering when we&39;ll be able to settle that money thing." E-mail saves you from an uncomfortable face-to-face confrontation. There is almost no chance of turning a bad reaction into an argument. Unlike a public conversation, an e-mail message will always be private.
(5) After asking two or three times, you might have to write it off and the friendship with it.
That&39;s what happens. If he just doesn&39;t have the money or is unwilling, then what kind of friend is that？
Paragraph 2 __________ 查看材料
A.Time to break off a friendship
B.Unconditional assistance to friends in need
C.Things to consider when you have to say "no" to your friend
D.Things to think over when you don"t want your friend to eat cat food
E.Strategies for borrowing money
F.Advantages of e-mail in handling money issues
A.分别为实际长度和投影长度
B.分别为投影长度和实际长度
C.都是实际长度
D.都是投影长度
A.排污设备状态，排放标准，操纵正确性
B.对排污量
C.排污监督检查
D.对排污速度
A.a spark plug
B.injectors
C.the heat of compression
D.increasing jacket water temperatures
A.Intake manifold pressure will be high
B.Intake manifold pressure will be unaffected
C.Exhaust temperatures will be high
D.Exhaust temperatures will be low
A.1000个/mL
B.500个/mL
C.250个/mL
D.100个/mL
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