No one knows for sure when the first paper airplane appeared Some people think Leonard da Vinci made them, but people in Asia were finding paper and making kites hundreds of years before him. So the first paper airplanes probably appeared a long, long time ago.Paper airplanes are fun to pl...
A. The wings make it look beautiful. B. The wings create lift. C. The wings add weight. D. The wings make it smaller. 相关知识点: 试题来源: 解析 B。本题考查科学原理对手工制作的影响。纸飞机的机翼形状有助于飞行,原因是机翼产生升力,A 选项说让它看起来漂亮,不是飞行的原因;C 选项增加重...
When did Dionysius invent the catapult? When was the first automobile made? When was the first piece of technology invented? When was the first desktop computer invented? When was the ceiling fan invented? When was the first self-driving car invented?
I was reading when my little brother rushed into my room. "I made paper airplanes,David!Aren't they cool?" Tex shouted,sending his (1) B directly into my head. I was a bit angry. "Excuse me,can I have a little (2) C so I can read?" In fact,I was sad about the exam ...
2. I'm not sure ___ make a paper airplane.A. how toB. what toC. when toD. where to 相关知识点: 试题来源: 解析 A. how to 该题考察疑问词+不定式的用法。句意为“我不确定如何制作纸飞机”,表达的是制作纸飞机的方式,因此应该选择表示“如何”的疑问词“how”。 所以答案为 A. how to。...
B. Another culture shock(文化差异) was the working week一周工作时间的文化差异 C. The culture shock started with the weather文化差异始于天气 D. My friends told us to be prepared for a culture shock我们朋友告诉我们要喂文化差异做准备 ①根据下文Later, we realized that the advice given to us ...
In my second year of high school, the class was scheduled to run the mile.When the coach yelled, Ready.Set.Go! , I rushed out like an airplane, faster than anyone else for the first 20 feet.I made up my mind to finish first.As we came around the fir
For example, for its first short flight at the International Genetically Engineered Machine competition in Boston, the bio-drone was equipped with propellers and controls borrowed from a regular mechanical quadcopter. It also has a standard battery.The next part the team hope to make safe to ...
In my second year of high school, the class was scheduled to run the mile. when the coach yelled, "Ready. Set. Go!", I rushed out like an airplane, faster than anyone else for the first 20 feet. I made up my mind to finish first. As we came around the first of four laps, th...
When making a paper airplane, what tool do I need to fold the paper? A. scissors B. pen C. hands D. stapler 相关知识点: 试题来源: 解析 C。选项 A“scissors”剪刀是用来剪纸的,不是折纸。选项 B“pen”笔不能折纸。选项 C“hands”手可以用来折纸。选项 D“stapler”订书机不能折纸。