在P5面板上的“发电机断开汇流条”灯亮表示（） A.发电机接触器（GCB）处于断开位

Everyone knows that exercise is important. We need to exercise. Doctors say it is good for us. It keeps our bodies strong.

When the daytime comes, we must get up. This is the time for exercise. Exercise means doing things with the body. There are many ways to exercise. You can walk, run, swim, skate, or play ball games. Make sure you exercise in the following ways: you have to like what you’re doing. Exercise enough---but not too much. It is good to exercise twice each week. Thirty minutes each time is enough. Try all kinds of things until you find one, two or three sports that feel right for you.

Exercise can be fun. Friends can exercise together at fitness center, or they can play sports together. How do you exercise?

小题1:In the passage the writer tells us that we all need to_______________.

A．drink

B．relax

C．exercise

D．work小题2:Which of the following sports can’t we find in the passage?

A．Fishing

B．Running

C．Swimming

D．Walking小题3:What does exercise mean?

A．It means doing things with the body

B．It means studying

C．It means doing lessons.

D．It means playing小题4:What can exercise do to the body?

A．It can make the body weak

B．It can make us sleep more

C．It can make the body sick

D．It can make the body healthy小题5:The words “fitness center” in the passage mean_________

A．减肥中心

B．健身中心

C．购物中心

D．医疗中心

设N_A表示阿伏加德罗常数，下列说法正确的是(　　)

A．1 mol氯气参加氧化还原反应，转移的电子数一定为2N_A

B．标准状况下，以任意比混合的氢气和一氧化碳气体共8.96 L，在足量氧气中充分燃烧时消耗氧气的分子数为0.2N_A

C．含1 mol FeCl₃的溶液中Fe^3＋的个数为N_A

D．1.8 g NH₄^＋中含有的电子数为0.1N_A

反应A（g）+B（g）⇌c（g）+D（g）过程中的能量变化如图所示，回答下列问题．

（1）图中a、b分别表示：a：______；b：______．

（2）该反应是______反应（填“吸热”或“放热”）．

（3）当反应达到平衡时，升高温度，A的转化率______（填“增大”、“减小”或“不变”），原因是______．

以下关于输液灭菌的叙述哪一项是错误的

A．输液从配制到灭菌以不超过12小时为宜
B．输液灭菌时一般应预热15-30分钟
C．输液灭菌时一定要排除空气
D．输液灭菌时间应确证达到灭菌温度后计算
E．输液灭菌完毕要放出蒸汽，待压力降至“0”后稍停片刻再缓缓的打开灭菌器门

完整的项目范围管理的主要过程有（）

A.范围计划编制、范围定义、范围核实、范围的变更控制

B.范围定义、范围核实、范围的变更控制

C.范围计划编制、范围定义、范围核实

D.范围定义、范围核实