Now more people prefer a house in a coast city to ____ in su

      seems strange to us         he can sing the English song beautifully.

A：It; that

B：what; that

C：That; how

D：It; why

The transformation of our city will make _______ for people here to have a comfortable environment.                      

A：it possible

B：no possibility

C：impossible

D：there was possibility

Cars do cause people some health problems, in fact far more serious _____ than computers do.

A：one

B：ones

C：it

D：those

Do you expect _____ to be a possibility that we may have five days off for the coming Dragon Boat Festival?

A：it

B：there

C：as

D：this

Peng Liyuan, China’s first lady, became one of the newest members of the most powerful women list, ranking 54th, along with eight ______ Chinese women, including Margaret Chan, director-general of the World Health Organization, Cher Wang, chairwoman of HTC and so on.

A：another

B：other

C：the other

D：others

How much more expensive do you think a flat in a downtown area is than ______ in a suburban area?

A：one

B：the one

C：that

D：those

竖直导线ab与水平面上放置的圆线圈隔有一小段距离，其中直导线固定，线圈可自由运动，当同时通以如图所示方向的电流时（圆线圈内电流从上向下看是逆时针方向电流），则从左向右看，线圈将(    )

A：逆时针转动，同时远离导线

B：顺时针转动，同时靠近导线

C：顺时针转动，同时远离导线

D：逆时针转动，同时靠近导线

如图所示，条形磁铁放在水平桌面上，在其正上方固定一根直导线，导线与磁场垂直，给导线通以垂直纸面向外的电流，则(    )

A：磁铁对桌面压力减小，不受桌面的摩擦力作用

B：磁铁对桌面压力减小，受到桌面的摩擦力作用

C：磁铁对桌面压力增大，不受桌面的摩擦力作用

D：磁铁对桌面压力增大，受到桌面的摩擦力作用

如图所示，环中电流的方向由左向右，且I1=I2，则环中心O处的磁场(    )

A：最强，垂直穿出纸面

B：最强，垂直穿入纸面

C：为零

D：不能确定

当接通电源后，小磁针A按如图所示方向运动，则(    )

A：小磁针B的N极向纸外转

B：小磁针B的N极向纸内转

C：小磁针B不转动

D：因电流未标出，所以无法判断小磁针B如何转动