所谓“冰冻三尺非一日之寒”,因而北极厚达几十米的冰层绝不可能是一朝一夕形成的。这句话( )。
A. 胡搬乱套,决不可能
B. 引文无误,应该正确
C. 揭示了事物的发展途径
D. 是对公众的迎合
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数控设备上的传动部分一般采用滚珠丝杆。
A. 对
B. 错
案例分析题阅读《谈时间》中的一段文字,然后回答下列问题。有人说;“时间即生命也。”也有人说:“时间即金钱”。二说均是,因为有人根本认为金钱即生命。不过细想一下,有命斯有财,命之不存,财于何有有钱不要命者,固然实繁有徒,但是舍财不舍命,仍然是较聪明的办法。 翻译“有命斯有财,命之不存,财于何有”?
0.003,0.06,0.9,12,( )
A. 15
B. 30
C. 150
D. 300
Salt,shells or metals are still used as money in out-of-the-way parts of the world today. Salt may seem rather a strange (1) to use as money. (2) in countries where the food of the people is mainly vegetable,it is often an (3) necessity.Cakes of salt,stamped to show their (4) ,were used as money in some countties until recent (5) ,and cakes of salt (6) buy goods in Borneo and parts of Africa. Sea shells (7) as money at some time (8) another over the greater part of the Old World。These were (9) mainly from the beaches of the Maldives Islands in the Indian Ocean,and were traded to India and China.In Africa,shells were traded right across the (10) from East to West. Metal,valued by weight, (11) coins in many parts of the world.Iron,in lumps,bars or rings,is still used in many countries (12) paper money.It can either be exchanged (13) goods,or made into tools,weapons,or ornaments.The early money of China,apart from shells,was of bronze, (14) in flat,round pieces with a hole in the middle.called“cash”.The (15) of these are between three thousand and four thousand years old—older than the earliest coins of the eastern Mediterranean. Nowadays,coins and notes have (16) nearly all the more picturesque (17) of money,and (18) in one or two of the more remote countries people still keep it for future use on ceremonial (19) such as weddings and funerals,examples of (20) money will soon be found only in museums.
A. while
B. although
C. because
D. if