-5的相反数是______,9的算术平方根是______.
-5的相反数是5,9的算术平方根是3.
某患者外周血涂片如图1,骨髓涂片如图2,该患者最可能为哪种疾病()
A.PNH
B.缺铁性贫血
C.巨幼细胞性贫血
D.自身免疫性溶血性贫血
E.珠蛋白生成障碍性贫血
单词拼写(共10小题;每小题0.5分,满分5分)
小题1:We have our bad times but on the whole we’re f____________ happy.
小题2:His health is improving day by day. It is quite a____________ that the medicine has a good effect on his disease.
小题3:He has talents by which he might d____________ himself.
小题4:All these trees are over 800 years old, some d____________ back to 1,000 years ago.
小题5: Since the famine broke out, the number of people dying of s____________ has been increasing.
小题6: The attack by terrorists has been ____________(谴责) by the entire world.
小题7:We must learn to ____________(调整) to the quick pace of life in modern society.
小题8:Why ____________ (操心,烦扰) to go abroad to study when there are so many good universities at home?
小题9:The ____________ (植物学的) analyses have showed us that it used to be a lake.
小题10:This is a primitive necklace and it is so well ____________ (保存).