卵巢癌术后考虑腹腔内出血的条件是()。
A.每小时尿量少于30毫升
B.每小时尿量至少50毫升
C.血压下降脉搏细数
D.腰背疼痛肛门处下坠感
E.腹胀
参考答案:A, C, D, E
37. As your spoken English gets better, _______ your written English.
A.so was
B.so will
C.such is
D.such will
空压机加载电磁阀的作用?