I have no money to spend, ______ you have nothing to spend money on.
A. while
B. which
C. and
D. when
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______ all his friends agree, Ben is warm-hearted, loving and generous.
A. Like
B. As
C. Likely
D. With
可用内置方法___________来测试一个对象是否是某个类的实例。
定义类时类名第一个字母必须要大写。
A. 对
B. 错
采猎生产活动受( )的影响最直接。
A. 社会生活
B. 自然环境
C. 经济条件
D. 人类意识