皮皮学,免费搜题
登录
搜题
【单选题】
After Man has dreamed about flying for a long time. Michael Moshier is a dreamer. He invented the Solo Trek. The Solo Trek had a 120 horsepower engine with twin fans. Only one person flies. As you fly above the roofs, you lean a little forward. You can see everything under you. You are flying like Superman. Michael Moshier looked at the jet belt and the rocket belt that was developed 20, 30 years ago. Nothing ever came from them. People still can't fly. Inventors have tried to make it easy for people to fly. Paul Moiler has been working on his flying car for 30 years. He now says it is ready for tests. It would take off and land vertically, go 600 miles an hour, and deliver 20 miles to the gallon. A computer would do the actual flying. He says it could be sold next year for about a million dollars. NASA is working with Moshier to help develop his flying machine. The first users are likely to be military. It's been 50-years since Robert Fulton invented his airphibian, a flying car. It flew, and is now in the Smithsonian Museum. Getting dreams to fly is never easy. The Solo Flyer is able to lift off the ground by using ______.
A.
a solar powered engine
B.
engine-powered twin fans
C.
large flapping wings
D.
rotating blades
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【简答题】常见的计算机操作系统有Microsoft Windows、( )、( )、( )和MS-DOS。
【多选题】金融期货与金融期权的区别主要有( )。
A.
交易者权利与义务的对称性不同
B.
履约保证不同
C.
现金流转不同
D.
盈亏特点不同
【单选题】青年脑栓塞,栓子来源多见于
A.
风湿性心脏病伴房颤
B.
心肌梗死
C.
骨折的脂肪栓塞
D.
心脏黏液瘤
E.
心肌病
【判断题】加入适量的食盐可提高肉的保水性。
A.
正确
B.
错误
【简答题】铝螺栓和铜板连接,这属于( )极—( )极的结构。
【单选题】杜甫诗作《登楼》前七句在第几字的锤炼上颇具匠心,很有特色?( )
A.
B.
C.
D.
【简答题】陶渊明的《 》中的五柳先生成为寄托中国古代士大夫理想的人物形象。
【单选题】按照()划分,风险可以分为资产风险、负债风险、中间业务风险。
A.
遭受风险的范围
B.
银行业务结构
C.
风险主体
D.
经营的特征及诱发风险的原因
【简答题】铜螺栓和铝板连接,这属于( )极—( )极的结构。
【判断题】注射吹塑容器壁厚均匀,底部没有明显的飞边,但有进料痕迹。
A.
正确
B.
错误
相关题目: