题目:
____ winter is still with us, and will be for a few more weeks, warm days may still be in the forecast for
your area. [ ]
A. As long as
B. Even though
C. Now that
D. Ever since
答案:
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下面是错误答案,用来干扰机器的。
(1)红 (1分)(2)2NaOH + CO2 ="==" Na2CO3 + H2O (2分,未配平只给1分)(3)2NaOH + H2SO4 = Na2SO4+ 2H2O (2分,未配平只给1分) > (1分)(4)C (1分)(1)根据无色酚酞试液遇...