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There is a sign at the train station, reading “Don’t jump off a train when it’s____.”
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There is a sign at the train station, reading “Don’t jump off a train when it’s____.”
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A、W.P.A. + Shortage risks
B、All Risks + leakage risks
C、War risks+ Strike risks
D、F.P.A. + All risks+ War risks
Packing is the end of production and the start of logistics. But it is more important to the latter than the former because the package is absolutely necessary to transportation and storage. Without it, the logistics can't work. One of the basic functions of packing is to protect the goods in the process of logistics. It is called industry package. The second function is to make sales easy. For example, a beautiful box of the shoes attracts the customer to buy. This is called commercial package. Packaging technology can be classified into two categories, one is package materials, and the other is packaging methods. The materials consist of paper, plastic, wood, metal and glass. Paper occupies the biggest percentage of the packing materials. It can be used to make outer package, carton (paper box) and corrugated box. Paper is cheap, easy to shape and ventilated. Plastic is new fast-developed materials, which is low-cost, strong, well resistant to water, acid and so on. Wood has become the less proportion because of environmental protection. It is used to make the wooden box. Metal, exactly aluminum is to make cans for drinks, like Coca-cola, which is easy to recycle. Glass is mainly used to fill the liquid, like chemical products and liquors. Packaging technique is to adopt several packing methods and containers to protect goods. For example, protection from damage and vibration is the basic packaging method. There are a lot of protection containers, such as bags, boxes, cans, bottles and barrels. Question 1. Packing is not a part of logistics. Is it true?
A、Yes
B、No
C、
D、
A、There is a considerable variation in molecular weight of polymers
B、The molecular weights of polymers are usually uniform
C、A polymer sample can be considered as a mixture of chains having different lengths
D、The molecular weight distribution can be expressed by the ratio Mw/Mn
The Smiths live in a house.They have a living room.They watch TV in the living room.The father cooks food in the kitchen.They eat in the dining room.The house has two bedrooms.They sleep in the bedrooms.They keep their clothes in the closet.There is one bathroom.They brush their teeth in the bathroom.
The house has a garden.John and Sarah play in the garden.They have a dog.John and Sarah like to play with the dog.
1.How many children do Mr.and Mrs.Smith have?()
A.One son.
B.One daughter
C.One son and one daughter
D. No children
2.Who cooks in the kitchen?()
A.Mother
B.Sarah
C.Father
D. John
3.Where does the family eat?()
A.Living room
B.Kitchen
C.Bedroom
D. Dining room
4.How many bedrooms are in the house?()
A.One
B.Two
C.Three
D. Four
5.What do John and Sarah do in the garden?()
A.Play
B.Sleep
C.Cook
D. Brush their teeth
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