题目

语法填空，在空白处填入适当的词，或填入括号内所给单词的正确形式。（每空最多不超过3个单词）。 Hi! I am Gina Green. I have   1  nice friend.   2 (she) name is kate. Kate is  3  English girl. She is in China now. Kate has（有）a brother.  4 (he)  name is Nike. These  5  (be) Nick’s books. Those  6  (pen) are Nick’s, too. Here  7  (be) a watch. The watch isn’t  8  (my). Is it  9 (your)? Please call me  10  643-6768.一质量为2´10-16kg的带正电的油滴静止在两块相距3.2cm的水平放置的平行金属板之间，则两板之间电压的最大值可能是________V。