支配下颌1~4唇颊侧牙龈、下唇黏膜的为
A.颊神经B.下牙槽神经C.舌神经D.颏神经E.舌下神经
参考答案:D
阅读理解。选择正确的答案。
Hello, my name is Betty. On Saturday, I have dinner with my parents in a restaurant. Each of us likes
different food. I have chicken and potatoes. My mother likes fish and tofu. My father has mutton and cabbage.
1. What's the girl's name?
A. Mary.
B. Amy.
C. Betty.
2. Where do they have dinner on Saturday?
A. At school.
B. In a restaurant.
C. At home.
3. What does the girl have?
A. Chicken and potatoes.
B. Fish and tofu.
C. Chicken and tofu.
4. What does her mother like?
A. Mutton and cabbage.
C. Chicken and potatoes.
5. Who has mutton and cabbage?
A. Betty's mother.
B. Betty's father.
在x=4、x=-3中,是方程2x-6=3(x-1)的解的是______.