Living without a car, they achieved better physical fitness from extra walking and cycling and gained a new perspective of the place they lived. (Para.7)
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】若 k 为 int 型变量,则以下程序段( )。 K=8567; printf("|%-06d|\n",k);
【单选题】Jeff Mazer, a Washington, D.C.-area photovoltaic engineer, notes that most thin-film photovoltaic systems today have a 7 to 11 percent efficiency rating .