题目

“天苍苍，野茫茫，风吹草低见牛羊”描述的是(     )        A．青藏高原     B．内蒙古高原         C．黄土高原           D．云贵高原 答案：B．The strike may hold ________ production of cars for several months, ________ a great loss．A．out; causeB．up; causingC．out; causingD．up; cause