调心球轴承受径向负荷,也可同时承受();一般圆柱滚子轴承仅能受径向负荷。
参考答案:少量的双向轴向负荷
材料一:
表1:我国中小企业GDP、税收、就业占全国的比重(%)表2:目前我国中小企业生存状况
材料二:近几年,我国中小企业发展历经沧桑、步履维艰。2008的最大问题是融资难,2009年则遭遇全球金融危机,2010年面临用工荒,2011年更是升级成多种不利因素的叠加。对经济形势颇为敏感的中小企业“伤不起”。经济专家建议,中小企业“疗伤”要强化政府的责任。
(1)结合材料一,概括我国中小企业发展的现状。(4分)
(2)结合上述材料,运用《经济生活》知识,简析给中小企业“疗伤”,政府应该承担怎样的责任?(8分)
材料三:聚集小微企业过冬术,二位同学各抒己见。小李认为,“小微企业”要获得成功,关键是“经营战略理念”。小张认为,企业作为最重要的市场主体,要走出困境,唯有市场之手才能拯救“小微”。小余认为,“小微”既牵国家的扶持政策的“有形之手”,也牵“无形之手”,才能向前走。
(3)运用“探索世界”的有关知识,分别评析三位同学的观点。(12分)
Jenny went to visit her friends in New York last weekend.Her friends met her at the airport on Friday afternoon and drove her to the hotel.They had dinner at a Chinese restaurant and went to see a film after that.
Jenny and her friends set out early on Saturday morning for a farm and stayed there until Sunday morning.During their stay, they went fishing and swimming in the small river on the farm.They played football in the field and enjoyed a big meal around a camp fire(篝火), singing and dancing till late into the night.
Nobody could get up early on Sunday morning.So when they got back to New York City, it was about three o’clock in the afternoon.They drove right to the airport because Jenny didn’t want to miss her plane back home.Jenny only stayed in New York for two nights but she had a great time with her friends.
小题1:Jenny went to New York________.
A.to do some shopping
B.to see her friends
C.to spend her summer holiday
D.to find a job小题2:How did Jenny get to New York?
A.By train.
B.By bus.
C.By plane.
D.On foot.小题3:When did Jenny go back home?
A.On Saturday afternoon.
B.On Sunday morning.
C.On Saturday evening.
D.On Sunday afternoon.