Lily was busy _______ ready for the exam and was  made ______ in her room the

whole afternoon.

A．getting, study

B．get , to study

C．getting, to study

D．to get, study

生活离不开化学。下列认识错误的是[ ]

A．用硬水洗衣服既浪费肥皂也洗不净衣服

B．氧气可用于金属切割，因为氧气能支持燃烧

C．“银粉漆”（铝粉）可涂在铁栏杆上防锈，因为铝的化学性质不活泼

D．在管道煤气中添加微量难闻气味的气体是为了及时发现煤气泄漏