北京切诺基吉普车近期采用了行星齿轮减速型起动机。
题型：判断题
问题：
北京切诺基吉普车近期采用了行星齿轮减速型起动机。
题型：判断题
| 从方框中选择恰当的单词，并用其正确形式填空（每词只能选用一次）。 | |
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| 1. There is an eletric (电动的) _______ in the kitchen. 2. It’s good to _______ deeply when you feel nervous. 3. My bike is broken and I’m going to ask Grandpa Wang to _______ it. 4. Some kinds of _______ are caused by things people do - for example, smoking. 5. Why do people get a _______ when touching electric points with wet hands? 6. When she fell down, h  er head was _______ h ard on the floor. |