()5. Bees are good plants.

A.at
B.for
C.to

B

根据四年级英语知识点，be good for表示“对……有益”，符合句意“蜜蜂对植物有益”；be good at意为“擅长”，be good to意为“对……友好”，不符合句意，因此选B。

三、同学们正在参观Sam叔叔的农场。请你根据图片回答问题。

1. —What are these?
—.
2. —What are these boxes?
—.

3. —How many sheep do you have?
—.
4. —Are those cows?
—.

5. —What are these?
—.
6. —Are those cucumbers?
—.

1. They are tomatoes. 2. They are beehives. 3. I have two sheep. 4. Yes, they are. 5. They are potatoes. 6. No, they aren't. They are carrots.

1. 第一幅图是四个西红柿，对应问题回答They are tomatoes. 2. 第二幅图是两个蜂箱，对应问题回答They are beehives. 3. 第三幅图是两只羊，对应问题回答I have two sheep. 4. 第四幅图是五头奶牛，对应问题回答Yes, they are. 5. 第五幅图是两个土豆，对应问题回答They are potatoes. 6. 第六幅图是两个胡萝卜，对应问题回答No, they aren't. They are carrots.

四、读一读，补全句子。
1. I like the mud. I am fat. I have two big ears. I have a big nose and small eyes. I am a .
2. I have four strong legs. I like to run fast. I am fun to ride. I am a .
3. My coat can keep you warm. I'm woolly and white. I'm a .
4. I am black and white. I like grass. I can make fresh milk. I am a .
5. I can lay eggs. I am a bird, but I don't fly well. I am a .

1. pig 2. horse 3. sheep 4. cow 5. hen

本题要求根据每个句子描述的动物特征，填写对应的英语动物单词，均为四年级英语所学的常见动物词汇。