两个相同的容器分别装了质量相同的两种液体，用同一热源分别加热， 液体温度与加热时间关系如图6所示．根据图线可知

A．甲液体的比热容大于乙液体的比热容

B．如果升高相同的温度，甲液体吸收的热量多

C．加热时间相同，甲液体吸收的热量大于乙液体吸收的热量

D．加热时间相同，甲液体温度升高比乙液体温度升高得多

电冰箱起动时，与电冰箱并联的台灯变暗。关于这一现象。下列说法中正确的是

A．进户线中电流变大	B．线路中电阻变大
C．线路中热损耗变大	D．灯泡两端电压变小

如图所示．物体A静止在倾角为30的斜面上．现将斜面倾角由30增大到37^。．物体仍保持静止，则下列说法中正确的是                                                                                    （   ）

A．A对斜面的压力不变

B．A对斜面的压力增大

C．A受到的摩擦力不变

D．A受到的摩擦力增大

I would appreciate it _______ you call back this afternoon for the doctor’s appointment.?

A．until	B．if?
C．when	D．that?

单词拼写
【小题1】Kindness is one of his c_________.
【小题2】How many countries does the UK c________ of?
【小题3】Being e_______ to the sun is harmful to your skin.
【小题4】He was a_______ of stealing.
【小题5】She said that she a______ her knowledge of English by her careful study.
【小题6】He has an __________(乐观的) attitude toward his future.
【小题7】Exhausted, I ______（溜进）into bed and fell fast asleep.
【小题8】His friends were _________ (热心的) about his theory.
【小题9】Jane was writing a letter and __________(同时) Pat was watching TV.
【小题10】A giant machine, always ________ (贪婪的) for more, swallows all the waste.

单词拼写
【小题1】Kindness is one of his c_________.
【小题2】How many countries does the UK c________ of?
【小题3】Being e_______ to the sun is harmful to your skin.
【小题4】He was a_______ of stealing.
【小题5】She said that she a______ her knowledge of English by her careful study.
【小题6】He has an __________(乐观的) attitude toward his future.
【小题7】Exhausted, I ______（溜进）into bed and fell fast asleep.
【小题8】His friends were _________ (热心的) about his theory.
【小题9】Jane was writing a letter and __________(同时) Pat was watching TV.
【小题10】A giant machine, always ________ (贪婪的) for more, swallows all the waste.

单词拼写
【小题1】Kindness is one of his c_________.
【小题2】How many countries does the UK c________ of?
【小题3】Being e_______ to the sun is harmful to your skin.
【小题4】He was a_______ of stealing.
【小题5】She said that she a______ her knowledge of English by her careful study.
【小题6】He has an __________(乐观的) attitude toward his future.
【小题7】Exhausted, I ______（溜进）into bed and fell fast asleep.
【小题8】His friends were _________ (热心的) about his theory.
【小题9】Jane was writing a letter and __________(同时) Pat was watching TV.
【小题10】A giant machine, always ________ (贪婪的) for more, swallows all the waste.

单词拼写
【小题1】Kindness is one of his c_________.
【小题2】How many countries does the UK c________ of?
【小题3】Being e_______ to the sun is harmful to your skin.
【小题4】He was a_______ of stealing.
【小题5】She said that she a______ her knowledge of English by her careful study.
【小题6】He has an __________(乐观的) attitude toward his future.
【小题7】Exhausted, I ______（溜进）into bed and fell fast asleep.
【小题8】His friends were _________ (热心的) about his theory.
【小题9】Jane was writing a letter and __________(同时) Pat was watching TV.
【小题10】A giant machine, always ________ (贪婪的) for more, swallows all the waste.

如下图所示，甲图是用来使带正电的离子加速和偏转的装置．乙图为该装置中加速与偏转电场的等效模拟．以y轴为界，左侧为沿x轴正向的匀强电场，场强为E。右侧为沿y轴负方向的匀强电场．已知OA⊥AB，OA＝AB，且OB间的电势差为U0.若在x轴的C点无初速地释放一个电荷量为q、质量为m的正离子(不计重力)，结果正离子刚好通过B点，求：
(1)CO间的距离d；
(2)粒子通过B点的速度大小．

如下图所示，甲图是用来使带正电的离子加速和偏转的装置．乙图为该装置中加速与偏转电场的等效模拟．以y轴为界，左侧为沿x轴正向的匀强电场，场强为E。右侧为沿y轴负方向的匀强电场．已知OA⊥AB，OA＝AB，且OB间的电势差为U0.若在x轴的C点无初速地释放一个电荷量为q、质量为m的正离子(不计重力)，结果正离子刚好通过B点，求：
(1)CO间的距离d；
(2)粒子通过B点的速度大小．