As an attractive city in the Netherlands, Amsterdam is one of the most bicycle-friendly    1    (city) in the world having over 800, 000 bikes in the capital. By comparison, the city has a population of only 750, 000 less than the number of bikes. According to a survey    2    (make) 5 years ago 490, 000 people used bicycles everyday.

Up to now, people in Amsterdam    3    (enjoy) the convenience of cycling for decades. The city has special facilities for cyclists,    4    can be used for free. Compared with other transportation in the city, bikes are    5    (clean) and less expensive while also    6    (offer) health benefits.    7    reason for bicycle riding is that bicycle traffic is    8    (relative) safe. Amsterdammers ride a wide    9    (vary) of bicycles. Many tourists also discover Amsterdam by bike, which is    10    typical Dutch way.

Many European countries have been making the shift to electric vehicles and Germany has just stated that they plan to ban the sale of vehicles     1    (consume) gasoline and diesel (柴油) as fuel by 2030. The country is also planning to reduce its carbon footprint by 80-95% by 2050, sparking a shift to green energy in the country.     2     (effect), the ban will include the registration of new cars in the country as they will not allow any gasoline powered vehicles     3     (register) after 2030.

Part of the reason for     4    this ban is being discussed and implemented is that energy     5     (office) see that they will not reach their emissions goals by 2050 if they do not eliminate a large portion of vehicle emissions. The country is still hopeful that it will meet its emissions goals, like reducing emissions by 40% by 2020. But in the past few years, the acceptance of electric cars in the country     6     (occur) more slowly than expected.

Other efforts to increase the use of electric vehicles include plans to build over 1 million electric car battery charging stations across the country. According to the International Business Times, electric car sales     7    (expect) to increase as Volkswagen is still recovering     8     its emissions scandal (丑闻).

As countries continue setting goals of reducing emissions, greater steps need to be taken to have     9     noticeable effect on the surrounding environment.     10    the efforts are certainly not useless, the results of such bans will likely only start to be seen by generations down the line, bettering the world for the future.

People need transportation to move from one place to another. As time went by, transportation methods improved. Especially after the invention of airplanes, they made travel more convenient and    1     (easy).

The airplane    2     (invent) by Orville and Wilbur Wright in 1903.     3     first airplane, Wright Flyer I, flew 36.5 meters in 12 seconds. After that, the two brothers kept     4     (improve) their airplanes. They    5     (fly) in public in France in 1908, and started taking passengers with them. Ever since, many other people made great efforts to improve and develop airplanes. Thanks to their efforts, airplane technology developed extremely fast.

Today, airplanes have many different    6     (apply). People can use airplanes to travel to other countries, send urgent mails and help people     7     danger. They use airplanes to send water, food, medicine, etc. to cities     8     need help. However, airplanes are not only used in positive ways,     9     they are also used to fight wars.

Many things     10     (change) since the invention of the airplane. Airplanes have made travel or transport faster. Airplanes have really changed our lives.