词形转换
There are some ____ at school. (boy)
 Is this ____ classroom? (we)
There are five____ in the room. (child)
 Are there ____ boats in the river? (some)
There are three____ and four __________ in the picture. (man, woman)
Mary, is this ____  bottle of coke? (you)
Daming ____ (be not) in Class Three.
I have two ____ (pencil-box)
Bill is from ____ . (American)
What are____ .(that)
Are you in ____  One? (grade)
There are two ____ on the wall. (picture)
Look! These____ are good. (cake)
Are these ____  apples? (you)
Lingling is from ____ . (Chinese)

血红蛋白是个大分子，已知血红蛋白的相对分子质量是68000，且铁元素的质量分数是0.33%，则一个血红蛋白分子中铁原子的个数为____。

如图，△ABC中，∠ACB=90°，沿CD折叠△CBD，使点B恰好落在AC边上的点E处．若∠A=22°，则∠BDC等于（   ）

完型填空

    Good evening, everyone! Today, I'm very glad1a speech. 2name is "My Dream". We know everyone has his or her own dream. Some people want to be basketball players because they are good 3sports. Some would like to become 4because they like to stay with children. Do you know5 I'm going to be when I grow up? I like cooking, 6. I want to become a good cook. I think I must have great7 cooking food. I'd like to ask everyone to taste my food. I also like seeing their smiling faces after8the delicious food. However, it's not so9 to be a good luck. I decided to learn10 things about cooking from now on. I will work hard for my dream. I'm sure I will succeed (成功) some day.