三相对称交流绕组的合成基波空间磁动势幅值为F1，绕组系数为Kw1，3次谐波绕组系数为Kw3，则3次空间磁动势波的

It is said that Britain does not have a _____; it only has weathers.

A.thunder

B.hurricane

C.lighting

D.climate

The passage tells that ______.

A．all towns in Britain have The Parks

B．The Parks is the only park in Oxford

C．The Parks is the home of the university sportsmen

D．The Parks is where cricket games take place in summer

A．All towns in Britain have "The Parks".

B．The Parks is the only park in Oxford.

C．The Parks is the home of the university sportsmen.

D．The Parks is where cricket games take place in summer.

T.S. Eliot was______.

A．not only famous in Britain but also in America

B．not famous only in Britain but also in America

C．famous not only in Britain but also in America

D．not only famous in Britain but in America too

A．which

B．that

C．where

D．as

Guangzhouis the most beautiful place ________ I have ever visited.

A.where

B.that

C.there

D.what

Which of the following statements is true according to the passage？

A．Germany is the only country free from the drought.

B．Water reserves are at their lowest level in years due to drought.

C．The drought is more serious in Britain than in France.

D．Europe will not have heavy rain until several years later.

Which of the following is TRUE according to the passage？

A．People in Britain do not have to pay for any kind of medical care.

B．People in Britain may wait long for their free medical treatment.

C．In Britain you have to pay for ambulance service.

D．British private medical insurance is free.