0  398707  398715  398721  398725  398731  398733  398737  398743  398745  398751  398757  398761  398763  398767  398773  398775  398781  398785  398787  398791  398793  398797  398799  398801  398802  398803  398805  398806  398807  398809  398811  398815  398817  398821  398823  398827  398833  398835  398841  398845  398847  398851  398857  398863  398865  398871  398875  398877  398883  398887  398893  398901  447090 

1.下列说法与物理史实相符的是( )

 A.电磁感应现象是奥斯特首先发现的 

 B.电流周围存在磁场的现象是法拉第首先发现的 

 C.电流、电压、电阻三者之间的关系是伏特首先研究得出的 

 D.电流热效应的规律是焦耳首先发现的 

试题详情

Dr. Baker was surprised to receive an invitation to the 2008 Medical Conference in London. He looked at his diary and found he would be free that week. He decided to __36__ the meeting, so he wrote to the conference __37__ that he would be there.

People who he knew __38__ the conference were __39__ to see him. The following morning, the main speaker didn’t appear. Her plane would be late __40__ bad weather. So the organizer asked if there was a Dr. Baker there and asked him to make himself __41__. Dr. Baker went up and offered him his help.

The organizer invited him to give a talk about DNA. But it happened that Dr. Baker knew __42__ about DNA. The organizer was so surprised to hear that __43__ he said everyone there knew he was an __44__ on the subject and read Peter Baker’s book “Introduction to DNA”. Dr Baker said that he was not Peter Baker, but David Baker, to be__45__.

36
A. join
B. take part
C. attend
D. come
37
A. said
B. say
C. and saying
D. saying
38
A. at
B. of
C. on
D. with
39
A. excited
B. anxious
C. worried
D. surprised
40
A. because of
B. because
C. as
D. of
41
A. knowing
B. knew
C. known
D. know
42
A. something
B. nothing
C. everything
D. anything
43
A. what
B. that
C. then
D. when
44
A. learner
B. teacher
C. expert
D. professor
45
A. certain
B. exactly
C. certainly
D. exact

试题详情

35. A good teacher must _________ to his students how important a proper learning method is.

A. get through    B. get across    C. get away    D. get over

试题详情

34. Children can ________ a lot _________ this new kind of school system.

A. benefit; from   B. benefit; with  C. change; from   D. lose; from

试题详情

33. He made a promise ______ he would help me.

A. that     B. which   C. whether    D. why

试题详情


同步练习册答案