题目内容

柴油牌号的含义：（）。

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汽油机和柴油机在结构上最大的区别是（）

汽油发动机的燃烧原理是（）；柴油发动机的燃烧原理是（）。

与水冷发动机相比，风冷发动机因结构简单其冷却更加均匀。（）

A. 对
B. 错

Recognize the word in each pair you hear in the video and fill in the blank with the proper form of that word.1A. fundamental1B. mental2C. obstacle2D. tackle3E. connection3F. communication4G. transaction4H. translation5I. intimidated5J. intimate1. Zhou Fangyin, president of Guangdong University of Foreign Studies' School of International Relations, said that China would use the multilateral meetings to reaffirm its strong position in support of multilateralism and the1role of multilateral institutions, including the UN and the World Trade Organization, in exercising global governance and upholding the international order.2. The new type of buses consume less electricity and they have2detectors and special alarms that alert the driver to cyclists.3. Science has not shown a3between drinking raw milk and disease prevention.4. The settlement period of securities4in foreign markets may be longer than in domestic markets.5. At the ninth Bejing Xiangshan Forum on Monday, General Wei Fenghe, state councilor and minister of national defense, said China will not accept or be5 by "big stick diplomacy" or "long-arm jurisdiction", which he said are ineffective in solving problems.