In lines 17-18, the author mentions the "expansion of halite crystals...by heating and of sulfates

Câu hỏi:

In lines 17-18, the author mentions the "expansion of halite crystals...by heating and of sulfates and similar salts by hydration" in order to

A. present an alternative theory about crystal growth

B. explain how some rocks are not affected by salt

C. simplify the explanation of crystal prying and wedging

D. introduce additional means by which crystals destroy rocks

Trả lời:

Thông tin: Besides crystal growth, the expansion of halite crystals (the same

as everyday table salt) by heating and of sulfates and similar salts by hydration can

contribute additional stresses.

Chọn C

Câu 1:

Indicate the word(s) OPPOSITE in meaning to the underlined word(s):

I prefer reading fictional stories to hearing about real events.

Câu 2:

The _______ music for the film has been taken from the works of Chopins.

Câu 3:

Last night, we ____ for you for ages but you never ____ up.

Câu 4:

Ancient civilizations were not aware that the earth ______ a sphere.

Câu 5:

The word "durable" in line 19 is closest in meaning to

Câu 6:

The word "shattered" in line 20 is closest in meaning to

Câu 7:

The word "dominant" in line 22 is closest in meaning to

Câu 8:

According to the passage, which of the following is true about the effects of salts on rocks?

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