颈卵器植物
参考答案:
苔藓植物门、蕨类植物门和裸子植物门的雌性生殖器官均为颈卵器,因此,这三类植物合称为颈卵器植物。
下列有关生产者、消费者和分解者之间关系的叙述,不正确的是( )
A.生产者可为消费者提供食物和栖息场所
B.消费者有助于植物传粉、受精、种子传播
C.分解者可将动植物遗体分解成无机物,再次被植物所利用
D.分解者可为植物提供食物
阅读理解。
Today is November 8th. It's Gina's birthday. She is twelve. Jim, Kate and Bill are her friends. They want
to buy some presents (礼物) for Gina. They go to the store next to the school. There are a lot of things in the
shop. They buy a big cake, a pencil case and some nice books. They want to buy a T-shirt for Gina, but all the T-shirts are too expensive (贵) and they don't have enough money.
1. How old is Gina today?
A. She is 12.
B. She is 13.
C. She is 11.
D. She is 10.
2. Gina has _____ friends.
A. four
B. three
C. two
D. only one
3. _____ is near the school.
A. Their home
B. A hospital
C. The store
D. The farm
4. They want to buy _____ for Gina.
A. A big cake
B. a big cake, a pencil case and some nice book
C. a T-shirt
D. B and C
5. At last (最后), _____.
A. they don't buy the T-shirt
B. they buy the T-shirt
C. they buy a pair of shoes
D. they don't buy any thing