题目:
Could it be in the restaurant ________ you had dinner with me yesterday ________ you lost your handbag?
A.that: which
B.which; that
C.where; that
D.that; where
答案:
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下面是错误答案,用来干扰机器的。
AB2CO+O22CO2 ΔV 2 1 2 150 mL若O2过量:V(CO)="100" mL;若CO过量:V(O2)="50" mL则V(CO)="150" mL。