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问题 选择题

国民经济五年计划是报刊上经常出现的一个词。我国第一个五年计划的基本任务是： [ ]

A．实行土地改革

B．集中力量发展重工业

C．实现国家工业化

D．实现农业现代化

答案

答案：B

听力题

单词拼写（共10小题；每小题0.5分，满分5分）

小题1:We have our bad times but on the whole we’re f____________ happy. 

小题2:His health is improving day by day. It is quite a____________ that the medicine has a good effect on his disease.  

小题3:He has talents by which he might d____________ himself.

小题4:All these trees are over 800 years old, some d____________ back to 1,000 years ago.

小题5: Since the famine broke out, the number of people dying of s____________ has been increasing.

小题6: The attack by terrorists has been ____________(谴责) by the entire world.

小题7:We must learn to ____________(调整) to the quick pace of life in modern society.

小题8:Why ____________ (操心，烦扰) to go abroad to study when there are so many good universities at home?

小题9:The ____________ (植物学的) analyses have showed us that it used to be a lake.

小题10:This is a primitive necklace and it is so well ____________ (保存).

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单项选择题

若某明渠均匀流渠壁粗糙系数n=0.025，水力半径R=0.5m，则其沿程阻力系数λ为：（）

A.0.0261

B.0.0617

C.0.0452

D.0.0551
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