1. About people's high-frequency vocabulary: scientists are the most common in academic reading, and most of them end with ist and er.

For example: anthropologist, archaeologist, pale ontology, zoologist, geographer and astronomer.

(Anthropologist, archaeologist, paleontologist, zoologist, geographer, astronomer)

The spelling of such words does not need to be memorized, as long as it can be recognized in reading. In the face of an unknown proper noun, we should at least judge that it exists in that subject, so as to make further reasoning.

2. High-frequency vocabulary about geology and geomorphology: This kind of article accounts for a large proportion in TOEFL academic reading. I suggest you accumulate common words.

For example: volcano, stratum, conglomerate, karst, porosity, permeability, meteorite, asteroid.

Volcano, stratum, conglomerate, karst landform (a landform of limestone), porous (breathable and permeable), permeable, meteorite, asteroid.

3. High-frequency words about climate, animals and ecology: topics related to biology and the earth are the eternal darling of TOEFL.

For example: unpredictability, change, distance, extinction, endangered, tropical, jungle, equality.

Unpredictable, change (verb), range of change (verb), extinction, endangered, tropical, jungle, near the equator.

4. With regard to high-frequency vocabulary in history and archaeology, we should also pay attention to this kind of subject matter, which is the object of waterwheel circulation. In particular, the way to examine historical articles is not simply to talk about the past, but from all levels, and the forms of expression are also varied. It may be the migration of ancient humans, and that is human history. The development of trade and transportation, that is economic history, and so on.

Such as relics, relics, tombs, handicrafts, coherence, territory and civilization.

Ruins, remains or debris, graves, handicrafts, cohesion, territory, civilization

5. With regard to the high-frequency vocabulary of key adverbs, these words are often inconspicuous, but they will affect the meaning of the whole sentence, and they are the objects that need the most attention. Some words that seem to contain negative prefixes may have positive meanings, while some adverbs without negative affixes may be the real killers!

For example: rare, only, undeniable

Very few, just, undeniable.