青藏高原的气候特点[ ]
A．终年寒冷
B．冬季寒冷，夏季凉爽，降水很少
C．降水丰富
D．空气稀薄、日照充足、全年高温
答案：B
Steve Jobs is one of the persons ______ founded Apple Computer Company. His death marked
the end of an era (时代).[ ]
A. who
B. whom
C. which
D. /
肠性氮质血症
