牙髓电活力试验患牙读数比对照牙牙明显不同,可判断患牙()
A.有无隐裂
B.牙髓是否坏死
C.有无咬合创伤
D.是否为急性牙髓炎
E.有无牙髓充血
参考答案:B
-Excuse me, Sir, is the swimming pool open all day?
-____.Only from 6:00 pm to 10:00pm.
A.That’s right
B.Yes, of course
C.Sorry, I’m not sure
D.Sorry, I’m afraid not
句型转换。
1. I play with my friends on Sundays. (一般疑问句)
______ you ______ with your friends on Sundays?
2. It is Monday. (针对划线部分提问)
______ ______ is it?
3. want, what, do, to, you, do (连词成句) ?
___________________________________________
4. They are listening to the radio. (否定句)
They ______ to the radio