题目内容
以下全是指事字的一组是__________。
查看答案
搜索结果不匹配？点我反馈
更多问题
以下全是会意字的一组是__________。
下列全是形声字的一组是_________。
Complete the following paragraph with key information from the text.The article consists of three stories about 1)_______ of flight. The first story is about a 2)_______ named Wan Hu, who made an unsuccessful attempt at 3)__________ in A.D.1500. He built a spaceship powered by 47 rockets using 4)_________. His idea was 5)_______, but his dream of flight came true 500 years later when China successfully 6)_________ its first manned Shenzhou V spaceship. The second one is about the Spruce Goose, a 7)________ boat designed to meet the need of 8)________ troops and materials during World War II. It was made entirely of 9)________ and still holds the record for the 10)_______wingspan . Although it was never put to use, many of its design features have been incorporated into today’s 11)_______ planes. The last is about Leonardo da Vinci, the most famous 12)________ of the Renaissance. Apart from his great artistic work, he also drew sketches of flying 13)________ with flapping wings controlled and steered by human 14)________. Five hundred years later, a professional parachutist made a successful jump using a wood and canvas parachute based on one of da Vinci’s 15)___________.
下列关于TCP和UDP的描述正确的是 。A. TCP和UDP都是面向无连接的B. TCP是面向无连接的，UDP面向连接的C. TCP适用于可靠性较差的广域网，UDP适用于可靠性较高的局域网D. TCP适用于可靠性较高的局域网，UDP适用于可靠性较差的广域网
微信支付 
支付宝支付