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【单选题】
Fast Reader 'I have taken brand name courses on speed reading, and none of them improved my speed and comprehension as quickly as Fast Reader did. Using it every day not only saves me time reading articles on the computer, it has tripled my speed in all my reading. Thanks, Fast Reader!' Alexis Leon, Cochin, Kerala, India. 'Fast Reader is an exceptionally well thought-out and well executed program. The benefits have made themselves apparent in only a few days. I'd consider it an indispensable tool for improving reading speed at any age, and an excellent value.' Jim Coxon, CO. Durham, UK. 'I have been teaching for twenty-eight years, and I think Fast Reader is a superb program. If you don't mind I will put a link to the Fast Reader web site from our school's web site as a recommended program.' Peter Kaslik, Toronto Ontario, Canada. 'I used to read very well — then I got a computer! Now I read better because the computer has Fast Reader.' Frank Thurber, New York, USA. Who has been a teacher for twenty-eight years, using Fast Reader?
A.
Jim Coxon, CO. Durham, UK.
B.
Andrea Bianchi, Milano, Italy.
C.
Peter Kaslik, Toronto Ontario, Canada.
D.
Alexis Leon, Cochin, Kerala, India.
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参考答案:
举一反三
【判断题】归纳法分为完全归纳法和不完全归纳法。
A.
正确
B.
错误
【单选题】为避免铸造时产生缩孔或裂纹,铸件的壁厚应该( )。
A.
大致相等,或缓慢过渡
B.
必须一样厚
C.
不需要过渡
D.
没有要求
【单选题】Af-ter he took off from New York, he ______.
A.
flew along the coastline for quite a long time
B.
immediately turned towards the open ocean
C.
ran into freezing fog and ice over the Atlantic
D.
found it was already getting dark
【单选题】下列多层厂房中,设置机械加压送风系统的封闭楼梯间应采用乙级防火门的是()
A.
服装加工厂房
B.
机械修理厂
C.
汽车厂总装厂房
D.
金属冶炼厂房
【多选题】关于铸造工艺结构,正确的是( )。
A.
铸件的起模斜度是为了方便模样顺利从砂型中取出
B.
铸造圆角可以防止浇铸时金属液冲坏砂型,避免铸件冷却时产生裂纹或缩孔
C.
铸件壁厚壁厚应均匀
D.
铸件的起模斜度在零件图中一般不画、不标
【单选题】下列多层厂房中,设置机械加压送风系统的封闭楼梯间应采用乙级防火门的是()。
A.
服装加工厂房
B.
机械修理厂
C.
汽车厂总装厂房
D.
金属冶炼厂
【判断题】在浇注零件时,为了避免零件各部分因冷却速度的不同而产生裂纹、缩孔等铸造缺陷,铸件壁厚应均匀或逐渐过渡。
A.
正确
B.
错误
【单选题】______ it is from Bristol to Glasgow!
A.
What long a way
B.
What distance
C.
How long way
D.
How far
【单选题】为避免铸造时产生缩孔或裂纹,铸件的壁厚应该( )。
A.
大致相等,或缓慢过渡
B.
不需要过渡
C.
没有要求
D.
必须一样厚
【单选题】为避免铸造时产生缩孔或裂纹,铸件的壁厚应该( )。
A.
没有要求
B.
不需要过渡
C.
必须一样厚
D.
大致相等,或缓慢过渡
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