_____ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
A. Even if B. As far as C. If only D. So long as
科目:高中英语 来源: 题型:
24.The teacher together with the students ________ discussing Reading Skills that _______ newly published in America.
A.are; were B.is; were C.are; was D.is; was
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科目:高中英语 来源: 题型:
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