题目内容

按照控制形式不同,悬架可以分为、和。

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按照转向能源的不同转向系可分为和两大类。

的转角与安装在转向盘同侧的偏转角的比值,成为转向系角传动比。

[音频]Listen to the recording and fill in the blanks with the missing information.12 We _1first responders to rush toward danger, especially when it 2__ us or those we love. We expect nothing less. So when one of them dies doing that, we should _3_the heroic action even though we may doubt our own 4______ to be heroic ourselves.

[音频]Listen to the recording and fill in the blanks with the missing information.13 The _1 stories of heroes help remind us that ordinary people can do _2___ things, whether it is in the _3___of their duties or as part of everyday life. We 4_the fireman, the policeman, and the 5__citizen by recognizing their heroism. Perhaps, even more importantly, we honor them by working to change the _6_____ that led to their death. By honoring them we can be inspired by them. Will we be heroes when circumstances call on us to act heroically? Hopefully, we will!