表面麻醉常用药物（）
A.可卡因
B.普鲁卡因
C.利多卡因
D.丁卡因
E.布比卡因
参考答案：D
水化热对大体积混凝土工程是有利的。（）
Although his father is quite busy, he the newspapers when he eats breakfast. [ ]
A. looks at
B. reads about
C. looks through
D. prints
