从甲口袋内摸出一个球是红球的概率是0．2，从乙口袋内摸出一个球是红球的概率是0．3．现从甲、乙两个口袋内各摸出一个球，这两个球都是红球的概率是（） (A)0．94 (B)0．56 (C)0．38 (D)0．06

A. You use more energy if you walk rather than jog for the same amount of time．
B. You use more energy if you jog rather than walk the flalne distance．
C. You use the same amount of energy whether you jog or walk the sanle distance．
D. You usd the same amount of energy whether you jog or walk for the same amount oftime．

A. Dutch and Germany.
Britain and the US.
C. Germany and the United Kingdom.
Dutch and Scandinavia.

Athletic and recreational．
B. Food and transportation．
C. B00kstore and post office．
D. Medical and audio-visual(视听的)．