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no numbers can't comapre anything can't describe trends natrual cycles. life cycle of a butterfly What can we describe? how many steps. where the proc 阅读全文
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You can't compare together. But you don't need to compare the 2 charts together-you can describe them separately. describe specific numbers for each c 阅读全文
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any kind of number the same information as a line graph, bar chart or pie chart comparisions changes over time Your job is to select , describe and co 阅读全文
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the full pie is 100 percentage. It can show numbers. If there is no time line, you can not say number decreases or increaes. Don't describe each count 阅读全文
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1 关系代词： that 指人/物，作主语不可省，作宾语可以省 which 指物，作主语不可省，作宾语一般可以省 who指人，作主语；口语中有时也作宾语，作宾语一般可以省 whom指人，作宾语，一般可以省略 whose 指 sth's / sb's as 指人/物，作主语或宾语 2 用 that 不 阅读全文
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省略主语： 当并列成分是由同一个主语发出，并列连接词后可以省略主语： She came forward and shook hands with me 省略谓语 ： 当连接词后面两个分句中的谓语动词相同时候，后一分局中谓语可以省略 I'd like to come but i can't 省略其他成 阅读全文