五、常用被动句型“It+被动语态+that”的翻译

It is considered that bioclimatology is an involved subject.有人认为，生物气候学是一门复杂的学科。

It is stressed that the field of science may be divided into two major areas: natural science and social science.有人强调说，科学的范畴可以分成两个主要领域：自然科学和社会科学。

It should be pointed out that this process is oxidation.应该指出，这一过程就是氧化。