The sky blue and the clouds white. [ ]
A. is, are
B. are, are
C. is, is
答案：A
从麻醉的观点来看，甲亢最危险的并发症是（）
A.动脉硬化
B.心动过速
C.心功能代偿不全
D.肌肉无力
E.对热不能耐受
Jim lives in a place _____Gum Tree.[ ]
A.calls
B.calling
C.called
D.to call
