盈利750元记做______,亏损1000元记做______.
盈利750元记做+750元,亏损1000元记做-1000元;
故答案为:+750元,-1000元.
I really found it difficult to read, for his eyesight was beginning to________.
A.disappear
B.stop
C.fail
D.cut
正常骨髓的增生程度为
A.极度低下B.低下C.极度活跃D.明显活跃E.活跃