题目

.  It was with great courage ______ the boy told the truth _______ he had stolen the money. A. which; that          B. when; what    C. as; that                 D. that; that 答案：D下列反应的反应热ΔH＞0的是（ ）A．铁与稀硫酸反应 B．加热氧化银冶炼银C．醋酸与氨水反应 D．管道煤气燃烧