下列属于精神药品的是()A．芬太尼 B．海洛因 C．美沙酮 D．三唑仑 E．吗啡
题型：单项选择题
问题：
下列属于精神药品的是()
A．芬太尼
B．海洛因
C．美沙酮
D．三唑仑
E．吗啡
题型：单项选择题
阅读理解
Do you know there are many kinds of grass? Some are tall. The kind that grows around your house
is short grass. But field grass often grows as tall as a man.
Some food that we eat comes from plants of the grass family. Wheat and rice are two of them. We
use wheat to make bread. We use both wheat and rice to make breakfast. At some places, people eat
more rice than any other food.
Animals as well as people get food from the grass family. Cows eat hay(干草). Do you know the
kind of grass that horses like to 
eat?
1. Which of the following belongs to(属于) the grass family?
A. Wheat
B. Rice
C. Apples
D. A and B
2. We use ____ to make bread.
A. rice
B. fruit
C. wheat
D. grass family
3. Which of the following doesn't get food from the grass family?
A. Horses
B. Sheep
C. Dogs
D. Cows
4. Which of the following is wrong?
A. The grass family are all short
B. There are many kinds of grass
C. Field grass often grows as tall as a man
D. Horse
s get food from the grass family
5. The best title is _____.
A. Plants
B. Grass
C. I like grass
D. The use of grass