苹果从枝头落下，不计空气阻力，这一过程中苹果的机械能变化情况是 A．动能增大，重

会计职业道德行为规范是职业道德在会计职业行为和会计职业活动中的具体体现。（）

某同学用如右图所示装置测量重力加速度g，所用交流电频率为50 Hz。在所选纸带上取某点为0号计数点，然后每3个点取一个计数点，所有测量数据及其标记符号如下图所示

（1）本实验中，电磁式打点计时器所使用的电源是_____________（填“甲”或“乙”）

甲——电压合适的50Hz的交流电源；    

乙——电压可调的直流电源；

（2）设相邻两个计数点的时间间隔为T，则计算重力加速度的表达式为______________________；重力加速度的计算结果是g=_____________________m/s²（结果保留3位有效数字）

Once there was a little girl who came to live in an orphanage (孤儿院). As Christmas time was drawing near, all of the other children 11 telling the little girl about the beautiful Christmas tree that would appear in the hall downstairs on Christmas morning. After their usual 12 , each child would be given their only Christmas gift, a small orange.

The headmaster of the orphanage was very 13 with the kids. So on Christmas Eve, when he 14 the little girl slipping down the stairs to peek（偷看）at the much-heard-of Christmas tree, he 15 that the little girl would not receive her Christmas orange because she had been so curious as to disobey the rules. The little girl ran back to her room 16 , crying at her terrible fate. The next morning as the other children were going down for breakfast, the little girl stayed in her bed. She couldn’t 17 the thought of seeing the others receive their gift while there would be 18 for her. Later, as the children came back upstairs, the little girl was surprised to be handed a napkin (餐巾). As she carefully opened it, there, to her 19 , was an orange all peeled and sectioned (分瓣). “ How could this be? ” she asked. Then, she realized how each child had taken one section from their orange for her so that she, too , would have a Christmas orange. What an example of the true meaning of Christmas those orphan children showed that morning! How I 20 the world would show the same kind of concern for others, not only at Christmas, but throughout the year!

请在14处填上正确答案（）

A.caught

B.took

C.held

D.kept

战国时“士”阶层日益壮大。依其主张，钱穆把他们分为“劳作派”、“不仕派”、“禄仕派”、“义仕派”和“退隐派”。下列属于“禄仕派”的人物是（）

A.墨子

B.韩非

C.孟子

D.庄子

《传染病防治法》规定了传染病疫情通报制度，下列不属于通报规定的是（）

A.国务院卫生行政部门向国务院其他有关部门

B.国务院卫生行政部门向国务院

C.国务院卫生行政部门向省、自治区、直辖市人民政府卫生行政部门

D.解放军卫生主管部门向国务院卫生行政部门

E.地方人民政府卫生行政部门向毗邻的地方人民政府卫生行政部门