高压锅密封性能良好,用它煮食物时,水蒸汽不易外泄,从而________ 了锅内的压强(填“增大”或“减小”),使锅内水的沸点________ (填“升高”或“降低”)。
增大;升高
Read and circle. (看一看,选一选)
1. _____ When / Who is your birthday?
2. _____ When/Who has a birthday in July?
3. It's _____ in/ on May.
4. There _____ is / are three birthdays in April
5. _____ Who / Whose birthday is in June?
6. _____ Is / Are your birthday in May, too?
7. What's the _____ day / date today?
8. My birthday is March _____12th / 12.
9. _____ Our / We National Day is October 1st.
10. She _____ is / are going to make a card.
近代中国的社会性质决定了中 * * 面临的两大历史任务是()和实现国家繁荣富强和人民共同富裕。
A、发展国家资本主义和改变中国的小农经济结构
B、求得民族独立和人民解放
C、扫除封建思想的影响
D、大力发展重工业生产