电冰箱使用的是三脚插头，当其工作时，如果接地线断了，则下列判断正确的是（　　）

读图，完成：

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    In our daily life, some people think that smoking1help them relax. In fact, smoking is really2 Do you know that there are over 4,000 chemicals（化学药品） in cigarettes? These chemicals are 3for our bodies. They can cause cancer and 4diseases.

    The smoke from cigarettes harms not only smokers but also other people. It's5“second-hand smoke” and it can be6and has higher risks. Smokers shouldn't use smoking7them relax. They must give up smoking as soon as possible.

下面的句子中每句都有两个错别字，把它们找出来填入表中，然后改正。

①设计者和匠师们因地制易，自出心栽，修建成功的园林当然各各不同。

②他们讲究亭台轩谢的布局，讲究假山池招的配合，讲究花草树木的映衬，讲究近景远景的层次。

错别字：____   ____    ____    ____

改正：____     ____   ____   ____