问题
选择题
Can you finish ________the book in about a week? [ ]
A. read
B. reading
C. to read
D. reads
答案
答案:B
Can you finish ________the book in about a week? [ ]
A. read
B. reading
C. to read
D. reads
答案:B
某学生在学习了分子的有关性质后,想进一步探究温度对分子运动速度的影响,由此他做了下列猜想:温度越高,分子运动速率越快.请你设计实验验证该同学的猜拥.
实验操作 | 实验现象 | 结论 |
温度越高,分子运动速率越快 |