【推荐1】______________ (考虑到低重力对人体的这些消极影响), we discipline ourselves to do at least two hours of exercise every day. (根据汉语提示完成句子)

【推荐2】如果你把筷子放进水中, 它们看起来仿佛断了似的。（as if）
If you put the chopsticks in the water, _________________________________________.

【推荐3】I explained that ________(如果我们对这个可怜人的处境视而不见，他会冻僵的). （根据汉语提示完成句子）

【推荐2】按照要求转换句子
1. Had you followed your father's advice，you would be much better now.（if条件句）
_________________________________________________________________________________________
2. If you had not helped me，I would have failed.（含蓄虚拟条件句）
__________________________________________________________________，I would have failed.
3. If I were a teacher，I would have opportunities to teach lots of students.（省略句）
__________________________________________，I would have opportunities to teach lots of students.
4. If we had set off yesterday，we would be lying on the beach of Hawaii，enjoying the sunshine right now.（省略句）
_______________________，we would be lying on the beach of Hawaii，enjoying the sunshine right now.
5. I didn't learn French so I am not able to interpret for him now. （错综虚拟条件句）
________________________________________________________________________________________

【推荐3】If it should rain tomorrow, we would not go climbing.
＝________it rain tomorrow, we would not go climbing. (同义句转换)

【推荐2】It is difficult to __________________(想象生活会是怎样) without water. (根据汉语提示完成句子)

【推荐3】我们是时候该采取措施保护濒临灭绝的生物了。(measure)
It is high time that we ________ endangered creatures.