In what ways are elephants like the human beings
A. They never forget great sadness or great happiness.
B. They live in families of females.
C. They live together for a long time.
D. They have daughters, mothers and grandmothers.
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What would the elephant family do when a male elephant is born
A. They send it away.
B. They keep it for some time.
C. They teach it to live alone.
D. They stay with it for a long time.
关于疟疾的叙述下列哪项是错误的
A. 疟疾典型症状为突发的寒战高热
B. 恶性疟发热始终无规律
C. 贫血的原因是反复发作造成红细胞破坏
D. 卵形疟间歇期为48h
E. 间日疟发热始终有规律
Pick痴呆主要是什么部位病变引起
A. 顶额叶
B. 顶颞叶
C. 额颞叶
D. 颞枕叶
E. 额枕叶
中距离的大规模土方运转工程的路基施工宜选用( )
A. 推土机
B. 铲运机
C. 装载机
D. 挖掘机