She asked that she _____ allowed to see her son in police custody.
A. would be
B. could be
C. be
D. was
教育实验的过程评价是对教育实验过程的（）进行评价
A. 操作性
B. 科学性
C. 可靠性
D. 规范性
China is a mountainous country.Hills,mountains,and plateaus cover _______ of the total area.
A. 1/3
B. 3/4
C. 2/3
D. 1/2
进行TC4重要用途铸锭一次Φ622mm熔化，工艺规程规定漏气率为（）
A. ≤1.07Pa/min
B. ≤0.93Pa/min
C. ≤0.8Pa/min
D. ≤0.67Pa/min
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