下列选项中，不属于常用的内墙涂料的是（）
A.合成树脂乳液内墙涂料（乳胶漆）
B.溶剂型内墙涂料
C.幻彩涂料
D.复层建筑涂料
参考答案：D
The factory produced a large amount of furniture last year, so far 65 percent of which _____ exported
to some European countries. [ ]
A. has been
B. are
C. was
D. were
γ-谷氨酰基循环的主要作用是
A．合成尿素B．转运氨C．GSH的合成D．氨基酸吸收E．氨基酸脱氨
