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Want to save money when travelling by train? Here are some ways. Day Returns This ticket can save you up to 45% on the standard fare (车费). You have to travel after the rush hour period Mon.-Fri., but can travel at any time on Sat. or Sun. Big city Saves These are special low-priced tickets on certain trains. Yon have to book in advance----- at the latest by 16:00 the day before you travel. It's first come, first served. Weekend Returns Weekend Returns are available (有售) for most journeys over 60 miles. Go on Fri. Sat. or Sun, and return the same weekend on Sat. or Sun, and save up to 35% the standard fare. Monthly Returns There are available for most journeys over 65 miles. Go any day and return within a month. Monthly returns save you up to 25% on the standard fare. Family Returns For £20 this railcard allows you to take a second adult (成人) and up to 4 children for only £3 each when you buy single or return tickets. You can travel as often as you like until the card becomes out of date. (200 words.建议阅读时间为3min.) 小题1: Which is the best ticket to buy if you live in London and want to go to a small town 80miles away for four days? A.Big City Savers B.Monthly Returns C.Weekend Returns D.Family Returns 小题2: A man bought himself a ticket of £15 and three tickets for his family with a family railcard.How much did he pay? A.£44 B.£29 C.£24 D.£15
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【多选题】土壤污染的发生类型包括
A.
大气污染型
B.
水体污染型
C.
农业污染型
D.
固体废弃物污染型
【单选题】涵洞与桥梁的区别在于总长小于()m。
A.
6
B.
7
C.
8
D.
9
【多选题】影响污染土壤淋洗的因素主要包括:()土壤质地
A.
淋洗剂类型
B.
污染物类型
C.
土壤微生物
D.
土壤空隙度
【多选题】我国土壤污染的主要类型是由于人为活动引起的,包括()
A.
污水灌溉
B.
固体废气物利用
C.
农药和化肥施用
D.
汽车尾气
E.
大气沉降物
【单选题】铰孔时,孔壁光洁度达不到要求原因是( )。
A.
铰孔前孔不圆,铰削时铰刀出现弹跳
B.
铰削余量不当,铰刀钝,冷却液不充分以及操作不规范等
C.
铰削时铰刀与孔轴线不重合
D.
D铰削余量过大
【单选题】在UG NX中,扫掠特征不包括( )
A.
拉伸
B.
回转
C.
扫掠
D.
基本体素
【判断题】植物线虫都需两性交配进行产卵繁殖。
A.
正确
B.
错误
【单选题】在UG NX 中,扫掠特征不包括( )。
A.
沿引导线扫掠
B.
C.
扫掠
D.
基本体素
【多选题】土壤阻隔填埋技术可处理的污染物类型包括()
A.
重金属
B.
有机物
C.
重金属有机物复合污染土壤
D.
无机物
【判断题】广告的真实性在任何时候都是基础,而艺术性只能为真实性服务,处于从属的地位。( )
A.
正确
B.
错误
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