图甲表示一种自动测定油箱内油面高度的油量表（实际上是量程为0﹣0.6A的电流表改装而成），R₀为定值电阻，R是滑动变阻器，金属杠杆的右端是滑动变阻器的滑片．从油量表指针所指的刻度，就可以知道油箱内油面的高度．改装设计：用电压表代替电流表做油量表，图中的乙图已画出部分电路，请在乙图中完成电路的设计．要求：当油箱中的油用完时，油量表（电压表）的示数为零．

用括号内所给单词的适当形式填空。

关于免疫细胞的叙述，错误的是（    ）

句子排序。

(____)  No, I don't like winter.

(____)  Which season do you like best, Lily?

(____)  Winter. I can play with snow.

(____)  So I like autumn best. It's always sunny and cool.

(____)  What about you? Do you like winter, too?

(____)  It's too cold.

   Jane always goes to school early. She likes to talk to her friends before class. After school she does not go home early. She is always late. Jane stops to see the animals in the pet shop. She likes to see the dogs. One of them is a little white dog. She watches the little dog play in the window of the shop. She watches for a long time, so she comes home late.
   One day her father and mother ask why she is late, and she tells them about the little dog in the pet shop.
   Jane is not late the next day. She stops to look in the window of the shop. But she doesn’t see the dog, and she is very sad. She is also very happy, today is her birthday.
   Mother shows her a big birthday cake and Father gives her a birthday surprise(惊奇). He gives her the little white dog from the shop. Jane is very happy. The next day Jane does not come home late. She runs home to play with the white dog.