作为天然气脱水的固体吸附剂应具备下列条件As a solid adsorbent for natural gas dehydration, the following conditions should be met：（）

A、比表面积大，吸水量大Large specific surface area, large water absorption
B、选择吸附好Selective adsorption
C、容易再生和重复使用Easy to regenerate and reuse
D、机械强度高，使用寿命长High mechanical strength, long service life
E、无毒，无腐蚀性Non-toxic, non-corrosive
F、价格便宜Cheap price