急性溶血的开始症状是:()
A.腰背及四肢酸痛、头痛、呕吐、寒战、高热等
B.血红蛋白尿
C.休克
D.昏迷
E.肾衰竭
参考答案:A
下列等式一定成立的是 [ ]
A.3x+3y=6xy
B.16y2﹣7y2=9
C.﹣(x﹣6)=﹣x+6
D.3(x﹣1)=3x﹣1
Sentences can be ________ into clauses, and clauses into phrases.
A.broken in
B.broken through
C.broken up
D.broken away