试论述影响汇率变动的主要因素。

The buyer suggested that the packing of this article ()improved.

A、be

B、was to be

C、would be

D、had to be

Why would a clone not be identical to the "master copy"？

A、They are totally different persons.

B、The clone's cells, for example, would have energy-processing machinery that came from the egg, not from the person who was cloned.

C、They have different genetic source.

D、The clone’s cells can be productive.

The author cites the British example in order to______

A．show that the problem of drank driving is worse in Britain than in the U.S.

B．prove that stricter laws against drinking drivers would reduce traffic deaths

C．prove that a slight increase in the number of arrests of drank drivers will not deter drunk driving

D．suggest that taxation of alcohol consumption may be more effective than criminal laws

The author cites the British example in order to ______.

A．demonstrate the need to lower BAC levels in states that have laws against drunk driving

B．prove that stricter enforcement of laws against intoxicated drivers would reduce traffic deaths

C．prove that a slight increase in the number of arrests of intoxicated drivers will not deter drunk driving

D．suggest that taxation of alcohol consumption may be more effective than criminal laws

Why did Lloyd Nickson prefer euthanasia？

A．He was afraid of death.

B．He couldn't bear his pains.

C．He couldn't tolerate the way he would be dying.

D．He was frightened at the sight of other patients' death.

Why does the professor mention the floor plan of a house？

A．To give an example of a factor that would influence a decision.

B．To give a personal example in which he found AHP useful.

C．To show that AHP can be applied to the design of houses.

D．To name some criteria that are not important in decision-making.

How many yards of printed shirting would the Buyer totally purchase？

___________________.