What does Professor David Reay think of the use of microwaves?
It plays a positive role in environmental protection.
举一反三
内容
- 0
What does Professor Leonard Hayflick believe?
- 1
Why does Professor Allen think that in some ways things are better today? ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
- 2
According to Professor Day, what does sleep affect?
- 3
中国大学MOOC: What colors does David not like?
- 4
中国大学MOOC: What size does David wear?