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【单选题】
关于光电效应有下列说法： （1）任何波长的可见光照射到任何金属表面都能产生光电效应； （2）若入射光的频率均大于一给定金属的红限，则该金属分别受到不同频率的光照射时，释出的光电子的最大初动能也不同； （3）若入射光的频率均大于一给定金属的红限，则该金属分别受到不同频率、强度相等的光照射时，单位时间释出的光电子数一定相等； （4）若入射光的频率均大于一给定金属的红限，则当入射光频率不变而强度增大一倍时，该金属的饱和光电流也增大一倍． 其中正确的是A.
(2) ， (4) ．
B.
(2) ， (3) ， (4) ．
C.
(1) ， (2) ， (3) ．
D.
(2) ， (3) ．
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【单选题】What did Queen Elizabeth II do when she was young?
A.
She did nothing.
B.
She worked as a driver and technical worker.
C.
She taught others at home.
D.
She did the same thing as other girls.
【单选题】在治疗师帮助或借助器械情况下,由患者通过自己主动的肌肉收缩来完成的运动训练。属何种运动方式
A.
被动活动
B.
主动辅助活动
C.
主动活动
D.
抗阻活动
E.
随意运动
【多选题】Why do we admire Michael Jordan? Here are some possible reasons. Choose the reasons mentioned in the video clip.
A.
Jordan has earned a large sum of money by playing sports.
B.
Jordan has taught children to play basketball.
C.
Jordan is the hero that our society calls for.
D.
Jordan is a team member with whom one likes to play.
E.
Jordan had a tremendous pride for himself.
F.
Jordan showed great respect to his teacher.
G.
Jordan always worked hard and practiced to win.
【单选题】下面哪种运动是在治疗师帮助或借助器械情况下，由患者通过自己主动的肌肉收缩来完成的运动训练（）
A.
主动辅助运动
B.
主动运动
C.
被动运动
D.
抗阻运动
E.
以上都不是
【简答题】城市垃圾的清运操作方法包括：移动式和。
【多选题】Why do we admire Michael Jordan? Here are some possible reasons. Choose the reasons mentioned in the video clip.
A.
Jordan has earned a large sum of money by playing sports.
B.
Jordan has taught children to play basketball.
C.
Jordan is the hero that our society calls for.
D.
Jordan is a team member with whom one likes to play.
E.
Jordan had a tremendous pride for himself.
F.
Jordan always worked hard and practiced to win.
G.
Jordan was a great student of the .
【简答题】APPLICATION FOR EMPLOYMENT （求职申请） Name Harry Smith Address 4224 Maple Avenue Oakland, California Telephone number 555-1660 Work Experience Company Ames Bookstore Greenfield High School Position Boo...
【简答题】Henry was a boy of nine. He was born in a family. His father was often ill and couldn’t go to work. Only his mother worked in a factory. She worked hard and hoped to give her four children and husband...
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