问题
单项选择题 A1型题
某地区有部分儿童出现智力低下,而其他方面发育正常,应重点考虑()
A.汞中毒
B.铅中毒
C.砷中毒
D.碘缺乏病
E.氟中毒
答案
参考答案:D
某地区有部分儿童出现智力低下,而其他方面发育正常,应重点考虑()
A.汞中毒
B.铅中毒
C.砷中毒
D.碘缺乏病
E.氟中毒
参考答案:D
选词填空。 | |
2. What time will you finish football _____ today? 3. Please _____ your room. It is really messy. 4. Being a volunteer is a great _____ for me. 5. Would you like to _____ to the article "Helping and Learning"? 6. I _____ some of the ideas. |