问题
单项选择题
| 某校六年级(12岁年龄组)280名学生中恒牙有龋、失、补的人数为150人，未治龋齿数为354个，因龋失牙数为1个，因龋充填牙数为45个。 |
该年级学生的龋均为
A．1.2
B．1.3
C．1.4
D．1.5
E．1.6
答案
参考答案：C
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| 某校六年级(12岁年龄组)280名学生中恒牙有龋、失、补的人数为150人，未治龋齿数为354个，因龋失牙数为1个，因龋充填牙数为45个。 |
该年级学生的龋均为
A．1.2
B．1.3
C．1.4
D．1.5
E．1.6
参考答案：C
| 从方框内选择单词并用其适当形式完成句子 | |
-He is only five __________ old. 2. How many people can you see in this __________? 3. - Who is your favourite film __________? -Xie Tingfeng. I think his films are very interesting. 4. What do you like to __________ for lunch? 5. Every summer Jenny has a __________ to New York. 6. Thank you for __________ me to your birthday party. 7. Camels live in the __________ and they don't often drink water. 8. -__________ does your sister usually get up in the morning? -At half past six. 9. Do you often __________ music from the Internet? 10. Is there a football __________ this evening? |