| 1. 难度：中等 | |
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With the successful launch of Tiangong-l, which was _____ breakthrough in space field,China's space dream took a step closer to _____ reality. A. a;/ B. the； a C. a; the D. the;/
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| 2. 难度：中等 | |
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Believe it or not, no bread eaten by us is as sweet as _______ earned by our own labor. A one B. that C. such D. what
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| 3. 难度：中等 | |
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1 am surprised that a company with the good _______ would produce such poor quality goods. A enjoyment B. appreciation C. entertainment D. reputation
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