正视眼使用2.50D的调节力,其调节近点到眼的距离为()。
A、25cm
B、30cm
C、40cm
D、50cm
参考答案:C
根据句意及首字母提示完成单词。
1. —What I _____ can you speak? —I can speak a little English.
2. China is a big c_____.1 like it every much.
3. Lucy is very funny. She likes to tell j_____.
4. At the bus stop, many people are w_____ for the bus to come.
5. —Tom, do you hear Millie c_____ in the bedroom at this moment? —Yes. She must be very sad.
什么是社团?