问题
单项选择题
当被加热的物质要求受热均匀,且温度不高于100℃时,最好使用()
A.水浴
B.砂浴
C.酒精灯加热
D.油浴
答案
参考答案:A
当被加热的物质要求受热均匀,且温度不高于100℃时,最好使用()
A.水浴
B.砂浴
C.酒精灯加热
D.油浴
参考答案:A
选择方框中的单词或词组填空,使句子完整。 | |
2. The sign means we should stay ____________ the building. 3. Nancy is going to play the piano ____________. 4. Do more exercise, and you'll get ____________. 5. It' s warm ____________ in spring in New York. 6. In spring, the weather gets ____________ and the trees turn green. |