A：18
B：17
C：26
“靠”查____部，再查____，共____画，组词____。
“除”查____部，再查____，共____画，第13笔是____
“遍”查____部，再查____，共____画，第5笔是____。
在(－2)2，(－2)，+(−12)，-|-2|这四个数中，负数的个数是（ ）
relaxing, on, hour, useful, an, and, finish, from, favorite, after
Dear Jack,
I am very busy____Friday. At 8:00 I have math. It is not fun. The teacher says it is____ but I think it is difficult.____ that, I have P.E. at 11:00. It is easy____fun. Lunch is____12:00 to 1:00. I have Chinese at 1:20. It is my____subject. My classes____at 2:00, but then I have____art lesson for two____. It is really____.
How about you?
Yours,
Lucy
下图是测定植物某一生命活动过程的装置，从左侧泵入空气后，会产生某些实验现象，下列几种说法中错误的是：
