A doggy bag is used for packing food for the pup.

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  A . closely observe the pump discharge temperature B . close off the discharge valve, and watch for a rise in pressure C . momentarily close off the suction valve, and watch for a rise in pressure D . use a clamp on ammeter and compare the readings to past record

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• （）is a caing used for exhaust pipe from the engines.

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• A feeler or thermal bulb is used for the expansion valve to （）.

  A . detect the temperature B . detect the pressure C . heat the refrigerant D . accelerate the refrigerant

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• An important consideration in selecting a lubricating oil for use in a refrigeration compressor is for the oil to （）

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• What is a prerequisite for using the application availability analysis tool in HACMP？（）  

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• Writing a comment after each lesson is a useful habit for a teacher to get into.（）

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• Which of the following is suitable for bagged cargo?（）.

  A . hydraulically operated pusher B . spread beam sling C . revolving roll clamping device D . platform sling

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• （）is not suitable for bagged cargo?

  A . The hydraulic crab B . The rope sling C . The canvas sling D . The cargo tray

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• （）, where a ship is refitted for a different use.

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• What is a static packet-filtering firewall used for ？（）

  A . It validates the fact that a packet is either a connection request or a data packet belonging to a connection B . It evaluates network packets for valid data at the application layer before allowing connections C . It analyzes network traffic at the network and transport protocol layers D . It keeps track of the actual communication process through the use of a state table

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• A small light tackle with blocks of steel or wood that is used for miscellaneous small jobs is called a（）.

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• If you want a doggy bag, you would like a bag for the dog.

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• “ 草芥 ” is normally used as a metaphor for something that is worth mentioning.

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• A hygrometer is device used for determining ______.

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• A patient has had a diagnosis of colon cancer and will need surgical removal of the colon. She will end up with a permanent hole in her abdomen for drainage into a bag. The permanent opening is called a___

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• 102. ______ is not suitable for bagged cargo.

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• Grinding is considered to be a finishing process that is usually used for obtaining h

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• A left Luggage office is a place where bags ______ be left for a short time, especially at a railway station.

  A．should B．can C．must D．will

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• 听力原文：Once you have arrived in our country, beware those professional pickpockets. Here's how to protect yourself. Women whose bags are hanging in front of them are tricky for the thieves, as there isn't a blind side. If you want make it even harder, use a bag with handles rather than a strap. For men, one of the best places to keep a wallet is in the back pocket of tight trousers. You'll feel any attempts to move it. Another good place is in the buttoned-up inside pocket of a jacket. There's just no way in. Even better, keep wallets attached to a cord or chain that is fastened to a belt.

  ______

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• Plastic bags are useful' for holding many kinds of food, ______ their cleanness, toughness and low cost.

  A．by virtue of B．in addition to C．for the sake of D．as opposed to

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