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【单选题】
各级公路的最小合成坡度不宜小于( )。A.
0.3％
B.
0.4％
C.
0.5％
D.
1.0％
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B.
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【单选题】After the Aswan High Dam was built, ______.
A.
almost 100, 000 Egyptians were submerged along with ancient temples
B.
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C.
artificial fertilizer has to be trucked in
D.
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