仪表风系统一般采用（）干燥剂脱水，使其露点达到工艺要求。
A、深冷
B、硅胶
C、活性氧化铝
D、活性炭
参考答案：C
Simon _______ spend all his pocket money on clothes or snacks . but now he _______ saving some
of it . [ ]
A. was used to, is used to
B. is used to, used to
C. used to, is used to
D. used to, used to
脑出血手术适应症应除外（）。
A.深昏迷，瞳孔不等大
B.年龄不过大
C.脑叶出血，血肿超过40ml
D.小脑出血，血肿超过15ml
E.脑疝前期征象
