5.
下列不等式中,可以用如图表示其解集的是( )
| A. | $\left\{\begin{array}{l}{x≥-2}\\{x>1}\end{array}\right.$ | B. | $\left\{\begin{array}{l}{x≥-2}\\{x<1}\end{array}\right.$ | C. | $\left\{\begin{array}{l}{x≤-2}\\{x>1}\end{array}\right.$ | D. | x$\left\{\begin{array}{l}{x≤-2}\\{x<1}\end{array}\right.$ |
20.
如图,AE平分△ABC外角∠CAD,且AE∥BC,给出下列结论:①∠DAE=∠CAE;②∠DAE=∠B;③∠CAE=∠C;④∠B=∠C;⑤∠C+∠BAE=180°,其中正确的个数有( )
| A. | 5个 | B. | 4个 | C. | 3个 | D. | 2个 |
16.天气预报说明天下雨的概率是70%,这表示明天( )
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| A. | 有70%的地区下雨 | B. | 有70%的时间下雨 | ||
| C. | 一定下雨 | D. | 下雨的可能性较大 |