过粉碎的矿粒是()。
A、原生矿泥
B、次生矿泥
C、矿泥
参考答案:B
Watching TV is ________ a kind of relaxation, and it also _______ our knowledge.
A.not more than; adds
B.more than; adds to
C.no more than; adds to
D.more than; adds up to
黄疸与萎黄的鉴别要点是()
A.面黄
B.身黄
C.兼见虚损症状
D.目黄
E.起病急缓