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4. Listen to a short speech , put back the missing words in the blanks. Good morning everybody. Welcome to the 7th International 1 __________ Conference. It’s great to see so many of you — old 2 __________ and new ones! Now we’re going to have two very busy days, but I am sure you’ll 3 __________ them. As soon as I finish, which won’t be very long, I promise you, we’ll begin with the first 4 __________ , that is, our Sales Managers will be giving sales 5 __________ for their own countries. We’ll stay together for that part as I feel it’s 6 __________ for everybody to see the overall picture. Then, after we’ve had lunch, we’re going to 7 _______________ groups to discuss our targets for next year and how to 8 __________ them. Dinner this evening is at eight o’clock. We’d like everyone to meet in the bar for drinks from about seven o’clock. 9 __________ we can enjoy a drink together until the coach leaves for the 10 __________ at 7:45.
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【简答题】继发性主动转运Cl-的部位是( )
【单选题】The library needs __, but it will have to wait until Sunday.
A.
cleaning
B.
to clean
C.
clean
D.
being cleaned
【单选题】如果一个等腰三角形的两边长分别是4cm和6cm,那么此三角形的周长是(    )
A.
14cm
B.
16cm或14cm
C.
17cm
D.
16cm
【单选题】关于结构物回填施工的说法,正确的是( )。
A.
涵背回填应采用倾填方法
B.
桥台台背回填宜采用不透水的粘土作填料
C.
桥台台背和锥坡的回填不能同步进行
D.
挡土墙墙背回填结束后,顶部应及时封闭
【单选题】如果一个等腰三角形的两边长分别是5cm和6cm,那么此三角形的周长是
A.
15cm
B.
16cm
C.
17cm
D.
16cm或17cm
【单选题】以下关于结构物处回填施工一般规定的错误说法是( )。
A.
在结构物处的回填施工技术中规定,填土长度在拱桥台背不少于台高的3~4倍
B.
在结构物处的回填施工技术中规定,涵洞两侧填土长度不小于孔径的2倍。
C.
在结构物处的回填施工技术中规定,涵洞两侧填土长度高出涵管顶2m
D.
在结构物处的回填施工技术中规定,挡土墙墙背回填部分顶部不少于墙高加2m
【单选题】如果一个等腰三角形的两边长分别是5 cm和6 cm,那么此三角形的周长是 [     ]
A.
15 cm
B.
16 cm
C.
17 cm
D.
16 cm或 l7cm
【单选题】关于结构物回填施工的说法,正确的是( )。
A.
涵背回填应采用倾填方法
B.
桥台台背回填宜采用不透水的黏土作填料
C.
桥台台背和锥坡的回填不能同步进行
D.
挡土墙墙背回填结束后,顶部应及时封闭
【简答题】继发性主动转运Cl-的部位是( )
【简答题】如果等边三角形边长是 a, 那么此等边三角形的 周长是 _____ 。
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