由直墙、底板和扶壁组成的钢筋混凝土结构的是( )。
A. 重力式翼墙
B. 悬壁式翼墙
C. 扶壁式翼墙
D. 空箱式翼墙
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Some people look down on applied research because they think that ______.
A. it is a kind of prearranged investigation
B. no new knowledge can arise from applied research
C. it is more difficult to get results in applied research than in pure research
D. no specific scientific ability is needed in applied research.
水利施工中，常利用土工布透水性好、孔隙小的特点，作为土石坝、水闸、堤防挡土墙等工程的( )。
A. 防渗
B. 防汛检查
C. 反滤排水
D. 护岸护底工程
依据水利水电工程分等指标，保护农田约500万亩～100万亩，灌溉面积约150万亩～50万亩的工程规模应为( )。
A. 大(1)型
B. 大(2)型
C. 中型
D. 小(1)型
Which of the following most accurately describes the pattern of the passage
A. The author first refutes the classification of research into the pure and the applied and then analyze the reasons for the intellectual snobbery and tendency to look down on the one of the two.
B. The author first refutes the classification of research into the pure and the applied and then presents his own classification.
C. The author first refutes the classification of research into the pure and the applied and then points out that the classification results from two false ideas.
D. The author first points out the practical importance of applied research and then criticizes those who look down on applied research.
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