当入射光强度一定时,若吸收光强度越小,则透过光强度()。
A.越大
B.越小
C.相等
D.无规律
参考答案:A
用所给单词的适当形式填空.
1. Computers are _____ (use) inventions and becoming more popular.
2. Could you tell me where I can _____ (change) money.
3. You may take the elevator to the _ (two) floor. She is in the office there.
4. Maybe there's someone_____ (call) you just outside your office.
5. The article is very _____ (organize), and it's worth read ing.
喉腔中最狭窄的部位是()
A.喉口
B.喉前庭
C.前庭裂
D.声门裂
E.喉室