A、 since
B、 when
C、 as
D、 while
答案:D
A、 since
B、 when
C、 as
D、 while
答案:D
A. job
B. dream
C. future
D. childhood
A. enters
B. has entered
C. was entering
D. entered
A. land
B. sea
C. soil
D. flood
A. explain
B. say
C. tell
D. speak
A. technical
B. business
C. political
D. research\
E. leanor began( 29 )children to read and write in one of the poorest areas of New York City. She also looked into( 30 )where workers were said to be badly( 31). She saw little children of four and five years old working until they( 32 )to the floor. She became involved(参与)with other women who( 33 )the same ideas about improving social conditions.
A. either
B. or
C. for
D. and
A. married
B. separated
C. accepted
D. united
A. 磁场使人体内的分子重新排列
B. 体温调节无法把热量散发出去
C. 电场使人体内电解质离子发生移动
D. 电磁场使体内的导电成分产生感应涡流
A. enters
B. has entered
C. was entering
D. entered