下述哪些甲状腺癌术后应用甲状腺素对预防复发有作用（）。
A.滤泡状癌
B. * * 状癌
C.未分化癌
D.髓样癌
E.以上都是
参考答案：A, B
选择dry up或dry out，并用其适当的形式填空。
1. The farmers pumped water to their fields to stop the soil ____.
2. The pool ____ in the late autumn.
3. The villagers had to wait for the sun to ____ the dirt road.
4. Don't leave the vegetable on the table, or it will ____.
车辆定期修理包括厂修、段修等，其中货车厂修一般为（）年一次。
A.4
B.5
C.8
