It is obvious that proceting environment is our compulsory duty and also a legal behavior.
(2) 定從句，這個是寫作需要重點掌握的句式。
It goes without saying that the cartoon depicts four persons are competitively playing a footable game, which successfully captures our eyes.
(3)雙重否定：
…hardly…not/ never
never fail to do
it is not impossible to
(4) 倒裝結構：
Only+狀語置于句首：Only in this way can we resolve the problem.
否定詞置于句首：By no means should we turn a blind eye to such things of spoiling children.
(5) 強調句：
強調動詞：I do expect that the issue of environment pollution can be settled as soon as possible.
強調句子某個成分：It was persistence and optimism that made Thomas Edison bravely confront a variety of obtacles and other failures and then finally invent the electrical lamp.
