单词拼写（共10小题；每小题0.5分，满分5分）

小题1:We should never play tricks on the people who are d____________.

小题2:My father has finally q____________ smoking after learning its harm.

小题3:This email called for an i____________ reply, because it was very urgent.

小题4:Compared with the t____________ pleasure, happiness is a deep feeling of joy that often lasts a long time.      

小题5:There are a v____________ of different styles of stand-up comedy, such as telling jokes, relying on visual humor and so on.          

小题6:Nowadays more and more f____________, whatever nationalities they are, come to China, and make great contributions to developing the country.     

小题7:Since she got the i____________ to the wedding ceremony, she has been considering what gift she will present to the new couple.                           

小题8:All of the students are encouraged to p____________ in the activity organized by the English club.                

小题9:Jane was so angry that she t____________ her boyfriend’s letter into pieces.   

小题10:The newly-elected chairman is very familiar with the p____________ of conducting a meeting.

按照题目要求作图：

（1）在图甲中，根据小磁针静止时的指向，标出A 、B 两个磁极的名称。

（2）在图乙中，画出斜面上物体所受的重力G 和斜面对物体弹力F 的示意图。

（3）如图丙，光斜射到空气和玻璃的分界面时，发生反射和折射。在图中标出反射角??并用箭头标出折射光线的传播方向。