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【单选题】
检查硫酸盐时,对照溶液的制是用A.
NaC1溶液
B.
标准NaC1溶液
C.
氯化钡溶液
D.
硫酸钾溶液
E.
标准硫酸钾溶液
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举一反三
【简答题】Task 2 Read the passage and match the items on the left with their features on the right.
【简答题】Now read the passage about E-books. You will have 45 seconds to read the passage. Begin reading now. Reading Time: 45 seconds E-books Although mainstream acceptance remains a few years down the road, ...
【简答题】Read the passage on Page 5 again, and explain what is the ASSUMPTION of this passage.
【简答题】The instruments of the older factory____________. A.is as good or better than the new one B.are as good or better than the new one C.is as good as or better than those of the new one D.are as good as ...
【简答题】Read the passage of Unit6 and match the actions on the left with their possible results on the right.
【单选题】Read the passage about personal computers on the following page and look at the statements below(Questions 14 - 20). In boxes 14 - 20 on your answer sheet write TRUE if the statement is true FALSE if ...
A.
真
B.
假
C.
NOT GIVEN
【简答题】Read the passage and match the action on the left with their possible results on the right.
【简答题】Read the passage on Page 5 again, and explain what is the INFERENCE of this passage.
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