问题
单项选择题
恽树珏的儿科著作是
A.《保赤新书》
B.《幼幼新书》
C.《幼幼集成》
D.《幼科发挥》
E.以上都不是
答案
参考答案:A
恽树珏的儿科著作是
A.《保赤新书》
B.《幼幼新书》
C.《幼幼集成》
D.《幼科发挥》
E.以上都不是
参考答案:A
阅读短文,把A—D四个句子填入文中空缺处,使短文内容完整正确,然后完成小题。(5分) Computers can injure (伤害) you .Most other injures happen suddenly .___1___. Now learn to use a computer safely . Too much light can be bad for you eyes , so never sit too close to a computer screen .___2___ . This gives your eyes a rest . When we use a computer , the window should be on your left or your right . If it is behind you , the light will reflect ( 反射 )on the screen .That may hurt your eyes . Hand and wrist ( 手腕 ) injures can happen because the hands and wrists are moved in the same way hundreds of times .__ 3___,stop sometimes and exercise your hands ,wrists and fingers in a different way . If you sit in wrong way ,you can injure your back or your neck . ___4___. The top part of the screen should be in front of your eyes .
A. When you use a computer , the window should be in front of you . B. Computers ’injures happen slowly . C. The top part of the screen should be in front of your eyes . D. After using a computer for a long time ,you should exercise your hands ,wrists and so on. |