两者关系也逐渐稳定，但与引进myxoma病毒前的状态不同。这一系列的变化都是由最初人类引进myxoma病毒引起的，由此可知，人类干预会对寄生物和寄主产生影响，A选项说法正确；B选项涉及分析引入外来生物的风险问题，原文未提及；C选项指出人类的观点态度问题，原文未提及；D选项原文未提及。
in the passage. Some sentences do not belong in the summary because they express ideas that are not presented in the passage or are minor ideas in the passage. This question is worth 2 points.第二段：伐木公司买地并系统化地砍伐树木。在1860到1890年重大突破：农民不再是木制品的主要来源。
下面为大家整理了托福阅读真题练习100篇:06(原文+题目+答案),供大家参考。 原文: Potash (the old name for potassium carbonate) is one of the two alkalis (the other being soda,sodium carbonate) that were used from remote antiquity in the making of glass, and from theearly Middle Ages in t...
1.What does the passage mainly discuss? (A)European influence on colonial American painting (B)The importance of patronage to artist (C)The changing status of artists in the American colonies in the eighteenth century (D)Subjects preferred by artists in the American colonies in the eighteenth ce...
托福真题练习1 By 1776 the fine art of painting as it had developed in western Europe up to this time had been introduced into theAmerican colonies through books and prints, European visitors and immigrants,and traveling colonists who brought ...
托福阅读文段的结构和出题点都有一定的规律,比如说托福阅读文段一般是总分总的格式,考生重点关注首段,尾段,转折句,开头句,基本上就能找到主题句。以下是小编为大家搜索整理的托福阅读真题练习,希望能给大家带来帮助! 托福阅读真题练习 1 The Long-Term Stabili
为了帮助准备2024托福考试的考生们更好地应对阅读理解题型,本文将提供一些历年的真题练习,供考生们进行针对性的练习和复习。 1. Passage 1 Archaeology is a fascinating field that allows us to explore the past. By studying artifacts and remains, archaeologists can reconstruct ancient lifestyles and gain ...
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