陶器中的炊煮器,要求陶土()。
A、有较高的美观性
B、有较高的实用性
C、有较低的耐火性能,用料中须掺和粗砂
D、有较高的耐火性能,用料中须掺和细砂
参考答案:D
已知p:关于x不等式(a-1)x>1的解集是{x|x<0},q:a2-2ta+t2-1<0,若¬p是¬q的必要而不充分条件,求实数t的取值范围.
用所给单词正确形式填空。
1. —Would you like _____ (see) the film with me?
—Sorry, I don't have time.
2. Thank you for _____ (organize) the class trip for us.
3. Wednesday _____ (come) after Tuesday.
4. Tom, _____ (not listen) to music now, please.
5. What _____ people in the west _____ (eat) at Halloween?