12. Wherever there is matter, there is energy; all changes of matter__________changes in the form of the energy. A: retain B: include C: involve D: contain

Wherever there is matter, there is energy; all changes of matter _______ changes in the form of the energy.

Through exposure to air, water, and organic matter, rocks _____ changes known as weathering.

2. Collocation.Complete each of the following sentences with the word in brackets and a proper preposition. Make changes or additions where necessary.We rejected the proposal as ____principle. (matter)

We rejected the proposal _____ principle. A: as a matter of B: as a matter C: as matter D: as matter of

____ happened, he would not mind. A: No matter how B: No matter what C: No matter when D: No matter where

She asked me ___ with me A: what the matter is B: what is the matter C: what was the matter D: what the matter was

The policeman came up to see （） A: what the matter is B: what the matter was C: what was the matter D: what is the matter

The passage is based on the author's ______. A: experience of the changes B: admiration of the changes C: analysis of the changes D: hope for changes

He asked________ with me. A. what the matter is B. what the matter was C. what’s the matter D. what was the matter