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When its variable costs are less than total revenue, a firm should shut down.()
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Which of the following statements in supported by the passage?
A.The sun shines constantly and gives out the same amount of energy every year.
B.The cause of the sun’S fluctuations is its loss of energy with each passing year
C.It is sure that the energy sent out by the sun will drop when more sun spots appear.
D.Fluctuations in weather pattems are the results of the pull of gravity.
When he was a young man, he traveled about the world ______.
A.on its own
B.of its own
C.on his own
D.of his own
A good plan when fighting against an enemy tank is to ______.
A.shoot its back
B.get behind it
C.move it to the side
D.move out of its way
A.¥3,000,000.
B.¥3,600,000.
C.¥6,000,000.
D.¥7,800,000.
A.lower the production cost
B.hire a better designer
C.improve its quality
D.alter its image
When will a company renew an existing model?
A.When it sells well and brings in a good profit.
B.When it needs improvement to meet the needs of users.
C.When some of its features have to be deleted.
D.When certain options have to be added.
A.10wer the production cost
B.hire a better designer
C.improve its.Quality
D.alter its image
A.if
B.unless
C.when
D.though
A good plan when fighting against an enemy tank is to______.
A.shoot its back
B.get near to it from behind
C.move it to the side
D.move out of its way
Which of the following is Not true according to the passage?
A.You can always get help from, the specialists.
B.It is common sense that is the most important when choosing a dog.
C.You should decide what kind of dog you want.
D.Size and characteristics of the dogs should be considered too.