想透過中翻英了解代名詞 20點

Don't learn too much improper pronoun+clause from your translation;you'll properly failed in Exam.Try learn "when,while,then cl.are better."
When:-When the 40%deduction bees seen, then directly affecting the no. of food on our table also seen.Don't think global warming is far from us !
Adverb:-When did you last see the bees ?
When can I see a garden of bees?
Sunday is the day when I can relax.
Sometimes when I wonder why I kill a bee...
The last supper was finished, when all the bees were killed.

Pronoun:-what/which time:-eg:-Until when can you leave the bees ?
"Since when have I got a job ?"

Conjunction:-I loved honey when I was eating my last supper.
Don't kill the bees when you've finished supper.
Can you spare the life of a bee, when there is no more ?
People had eaten all the bees when the Queen bee died.

While:-While as conjunction:-We shall have no food while all bees were dead.
While you're out, bees were out, too !

Noun:-No food for a while if all bees were dead.
Verb:-We whiled away the time&food when no more bees were flying&enjoyinh making food for us !

Then:-then as adverb in the clause:-eg:-
Adv:-That life was hard then----because we had had no job.
That things were very different back then----because of the 1st world war !
That life was hard in HK, as it then was.
Having seen and having heard them since then, they haven't been seen any more.
Since I was invited to your home,I'll see you then.
Having got an empty room next month, but I can stay with you until then.
Adverbial clause may be written as a noun clause and from then on you read it as a noun clause,please.
Having drunk a bottle of wine,then he committed suicide.
Having cooked the onions, then he added the wine !
Having lived in England and then France before coming back to HK, he felt tired.
Having been very busy at work,and then there was all that trouble awaiting.
Right then, where do you want to go?
Adjective:-eg:-That decision was taken---(a cl)---by the then president.

try this:

蜜蜂少了4成，直接影響的是我們餐桌上的食物，可別以為暖化的情況距離你我很遠

quoted from Yahoo!news

建議你將問題分割成較小範圍的問題，別人才好回應。因為答題時有兩千字的限制，你的問題太大，回答者容易犯了過度簡化複雜問題的邏輯謬誤。