增加眼用溶液黏度、延长作用时间的附加剂是（）
A.氯化钠
B.磷酸盐缓冲液
C.硫柳汞
D.甲基纤维素
E.三氯叔丁醇
参考答案：D
The film Gone with the Wind was shot in Atlanta, the US because the novel was _____ the American Civil War.
A．lied in
B．taken in
C．set in
D．put in
实施科教兴国战略的关键是深化（）体制；增加对教育的投入。
