消息《美国宇航员登上月球》的导语的最大特色是( )
A．简洁明快
B．五要素俱全
C．形象生动
D．细腻传神
参考答案：A
在液体培养基中加入______，即凝固成固体培养基。
After two hours of walking, they came to the camp site, ______ .
A．hungry and tiredly
B．hungrily and tiredly
C．hungrily and tired
D．hungry and tired
