B型超声波诊断仪主要不是应用()
A.物理学
B.化学
C.生物学
D.临床诊断
参考答案:A, B, C
用括号中所给词的适当形式填空
1. He looks honest, but ______(actual) he is big liar.
2. The old horse ______(it) knows the way.
3. Linda is ______(interest) in playing chess.
4. The ______(photograph) gave me my pictures.
5. Do you know the ______(late) news?
补全下列歇后语。
①热锅上的蚂蚁——___________________
②__________________——路人皆知
③周瑜打黄盖——___________________
④__________________——不出所料