半成品试验的任务是及时发现并排除零部件的缺陷,预防不合格品混入下道工序,避免零部件装配后再返工,预防内在质量存在隐患的零部件装入整机,影响电机性能、安全或寿命。()
参考答案:对
一Peter, have you got your new flat furnished?
一Yes.I some used furniture and it was a real bargain.
A.will buy
B.have bought
C.bought
D.had bought
关于慢性粒细胞白血病急性变,下列哪项不正确()
A.骨髓和血中原始细胞一般为30%~80%
B.不出现髓外原始细胞浸润
C.大多为急性粒细胞白血病变
D.20%~30%为急性淋巴细胞白血病变
E.为慢性粒细胞白血病的终末期