7.大量使用名词或名词短语。 of the genus Ascaris is of major pwe es e.g, Infection of humans with nematode health importance in a range of countries and affects millions of people 8.大量使用非谓语动词短语及分词短语。 These methods should provide valuable tools for studying the life-cycle and transmission pattern(s)of this parasite7.大量使用名词或名词短语。 e.g., Infection of humans with nematodes of the genus Ascaris is of major public health importance in a range of countries and affects millions of people. 8.大量使用非谓语动词短语及分词短语。 These methods should provide valuable tools for studying the life-cycle and transmission pattern(s) of this parasite