皮皮学，免费搜题
登录
搜题
【单选题】
有限展弦比无扭转直机翼，速度环量沿分布的规律是（ ）。A.
机翼对称面上为零，机翼两端最大
B.
机翼对称面上和机翼两端都不为零
C.
均匀分布
D.
机翼对称面上最大，机翼两端为零
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】由空气压缩机产生的压缩空气，一般不能直接用于气压系统。( )
【简答题】Fill in the blanks according to what you've heard, and pay attention to the meaning of those words. 1. The lamp hanging in the hallway swung in the (1) wind, (2). 2. Bees (3), mosquitoes (4), and fat ...
【单选题】作家李某一篇小说在一家日报上连载两个月,第一个月月末报社支付稿酬2000元;第二个月月末报社支付稿酬5000元。该作家两个月所获稿酬应缴纳的个人所得税为
A.
）元。
B.
728
C.
784
D.
812
E.
868
【简答题】One afternoon just before Christmas it was cloudy with strong wind. An old man was walking in the street when he saw a little boy 56 in front of a beautiful shop window. The old man asked 57 he was ...
【单选题】The wind was heard (soar) through the tress.
A.
soaring
B.
to soar
C.
to be soaring
D.
be soaring
【简答题】Weather Trap I was in a open field when the rain came pouring down on me. The sky was gray with deep black clouds that shadowed the ground. A wind came and blew off my hat, that finally had flying les...
相关题目：