单项选择题What is the Supreme Court’s attitude towards the government’s function in the control of greenhouse gases
填空题association
单项选择题A.Only humans respond to emotions by shedding tears.B.Only humans shed tears to get rid of irritating stuff in their eyes.C.Only human tears can resist invading bacteria.D.Only human tears can discharge certain chemicals.
填空题Wilcox’s father had occasionally sold the relics found in his land since 1951.
单项选择题We can learn from the first paragraph that laughter ______ .