皮皮学，免费搜题
登录
搜题
【多选题】
按所受载荷方向的不同，轴承可分为（ ）、（ ）。A.
向心轴承
B.
推力轴承
C.
滚动轴承
D.
推力轴承
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】任务型阅读。 Henry was from the USA and he came to London for a holiday. One day he was not feeling well, so he went to the clerk(职员) at the desk of his hotel and said,' I want to see a doctor. Can you give...
【多选题】中华民族多元一体格局形成的经济纽带指什么?
A.
游牧民族与农耕民族经济互补性强
B.
经济生活频繁往来与交流
C.
具体表现有茶马互市、马绢互市
D.
中国的民族走廊同时也是一条经济联系的走廊
【简答题】完形填空。 One day a young man had to stop his car soon after he started for London because he heard a strange noise from the back of his car. He 1 and examined the wheels carefully, but as he found 2 wron...
【简答题】人体有三个部位所送出的本体感觉输出对于维持姿势非常重要:足踝、()、颈椎
【简答题】One day, a well-known speaker was invited to give a lecture to an audience of 200. He started his lecture by a $ 20 bill. He looked around the room, and asked, “Who would like this $20 bill?” started ...
【多选题】1 ( ) 促进维生素A的吸收 A 脂肪 B维生素E C卵磷脂 D 维生素D 2 、脂溶性维生素包括 A 维生素A B维生素DC维生素E D维生素K 3 、机体维生素C缺乏表现为 A 皮肤淤点 B消瘦 C精神症状 D 贫血 ) 4 、机体维生素A缺乏可表现为(A眼干燥症 B角膜软化 C免疫功能低下D出现角化过度的毛囊性丘疹 5 维生素D缺乏可有( )等表现 A 肋骨串珠 B夜盲 ...
A.
A
B.
B
C.
C
D.
D
【简答题】完形填空。 One day a professor was crossing a river in a boat. To pass the time he started talking to the boatman. He told him his several 1 in education. The boatman was 2 listening to the professor 3 he ...
【简答题】读一读，写上日期。 Gorge was a young man. One day he decided to go around by bike. He started on June 21st from Nanjing. He got to Hong Kong on July 1st. Then he went to Yunnan and got to Kunming on July 24th....
相关题目：