The word "These" in the second paragraph is closest in meaning to__________.




A.the various chemical reactions
B.the pollutants from the developing Earth
C.the compounds moved to the water or soil
D.the components in biogeochemical cycles

According to the passage _______.




A.work with hands is dirty and shameful
B.work with hands is low work
C.work with hands is the most important
D.we can’t regard work with hands as low work

(69.______)




A.work
B.place
C.land
D.take

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Her eyes are red and puffy ______ she has been crying a lot.




A.although
B.since
C.because of
D.despite

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
_______ Steve to help, I’m sure he would agree. He is so kind a person.




A.Even if you asked
B.If you ask
C.Were you to ask
D.Should you ask

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Jonas worked really hard throughout the term, so it was not merely ______ chance that he got straight A’s.




A.off
B.from
C.by
D.in

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
______the weather forecast it will rain heavily later this morning.




A.According to
B.Due to
C.On account of
D.Because of

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
In some parts of the country, prices are _______ than in others.




A.the highest
B.highest
C.higher and higher
D.more and more high

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
A: “Do you have a copy of The Last Leaf?” - B: “You are ____ luck. I have just one copy left.”




A.of
B.with
C.in
D.at

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Smith had a lucky escape. He _______ killed.




A.should have been
B.would have been
C.must have been
D.could have been