题目
This is ______ news. They're _______ at it.A. surprising, surprisedB. surprising, surprisingC. surprised, surprised 答案:【答案】A【解析】句意“这是一个令人惊奇的新闻,他们对它感到惊奇”。一般以ing结尾的形容词修饰物,译为“令人……”;以ed结尾的形容词修饰人,译为“感到。”根据This is ______ news. They're _______ at it,第一个空修饰 news是物,第二个空they是人.故选A不等式23>7+5x的正整数解的个数是(
)
A.1个 B.无数个
C.3个 D.4个