1．—How did people respond to the plan to charge for plastic bags used in the supermarket?
—The plan received ________ support throughout the country.
A．widespread B．steady
C．potential D．obvious
[解析]由 throughout the country 可知，这项计划得到了广泛的(widespread)支持，所以选A。steady 平稳的；potential 潜在的；obvious 明显的。
[答案]A
2．As the sky grew darker, the stars ________ one by one, shining in the distance.
A．came out B．came about
C．came on D．came in
[解析]句意：夜色渐浓，星星一个接一个地出来了，在远处闪烁着。come out (指太阳、月亮或星星)露出，出现，符合句意。come about 发生，造成；come on 快点，赶快；come in 进来。
[答案]A
