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   ①The meaning of shaking the head is not always the same in different countries. Maybe some visitors would be surprised when they first came to India. When talking to an Indian, he would often shake his head. The visitors might think that the Indian did not like what they said. But, in fact, they would be completely(完全地)wrong.

   Indians always shake their heads when they talk to each other. It does not have the same meaning as“No”. If someone wants  ②  (visit)India, he should know this, or it will give him some trouble.

   One day, a foreign officer went to  ③  on business. He leased(租用)a car and hired(雇用)an Indian to drive it. When he told his driver to send him to his office, the Indian shook his head at once. The officer said again, and the driver shook his head again. At last, the officer, of course, got angry.

   “Why do you refuse(拒绝)my order(要求)? ”he shouted. “Drive me to my office at once! ”

   The driver answered in a quite loud voice, too. “Yes, sir! ”But to the officer’s surprise, the driver shook his head at the same time.

The car started, and the foreign officer was now too surprised to say a word. He thought about it for a while, and then ④he nodded with a smile, “‘No’ means ‘Yes’ here! ”

阅读材料，并回答：

材料一   我们计划……用无产阶级国家直接下命令的办法在一个小农国家里按共产主义原则来调整国家的产品和分配，现实生活说明我们错了。——列宁

材料二   1933年3月……他迅速制定了一系列有效的法规和政策，诸如：紧急救助署关注在挣扎的人们；签署农业调整法，以帮助恢复农产品的价格；通过全国工业复兴法为经济恢复注入资金。       ——摘自纪录片《大国崛起》

请你运用所学知识，对下面情景进行探究
（1）周日，学生小勇在路边遇到一位摔倒的老人，正当他准备去搀扶时，周围的人说：“小心他讹你。”
小勇的正确做法是:
理由：
（2）学校组织科技创新活动，九年级学生小明怕耽误学习，不愿意参加。
小明的正确做法：
理由：
（3）小东所在的学校为庆祝第五十个雷锋日，开展了一系列的活动。
小东的正确做法：
理由：
（4）在旅游景点，两名外国游客在向你打听参观路线。
你的做法:
理由：