动火地点空气中可燃物含量为()合格。
A.≥0.1%
B.≤0.2%
C.≤0.25%
D.≤0.3%
参考答案:B
--What great changes! It’s years since we_____ each other last time .
-- Believe it or not, It’s the second time that we _____a face –to- face talk
A.met; had had
B.have met; had
C.had been; had
D.met; have had
骨气鼓征见于()。
A.骨结核
B.骨髓炎
C.痛风
D.类风湿关节炎
E.骨巨细胞瘤