题目

 我国的四大盆地中，位于青藏高原上的是： (    ) A.四川盆地        B.塔里木盆地         C.柴达木盆地     D.准噶尔盆地 答案：CWe　 to try a second time,but he gave up.A．persuaded himB．advised himC．suggested himD．gave him advice