问题
单项选择题
前磨牙支托的宽度为
A．其颊舌径1/2
B．其颊舌径1/3
C．其颊舌径1/4
D．其近远中径的1/5
E．其近远中径的1/6
答案
参考答案：A
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前磨牙支托的宽度为
A．其颊舌径1/2
B．其颊舌径1/3
C．其颊舌径1/4
D．其近远中径的1/5
E．其近远中径的1/6
参考答案：A
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| Food is very important. Everyone needs to 1 well if he or she wants to have a strong body. Our brains (大脑) also need a kind of food. This kind of food is 2 . We begin to get knowledge (知识) When we are very young. Small children are interested in everything around them. They learn 3 while (当) they are watching and 4 . When they are getting older, they begin to 5 storybooks, anything they like. When they find something new, they like to ask questions and 6 to find out the answer. What is the best 7 to get knowledge? If we 8 by ourselves, we'll get the most knowledge. If we're 9 getting answers from others and do not ask why, we will never learn well. When we study in a right way, we will learn 10 and understand (理解) better. | ||||
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