正确答案: B

错误

题目：裸藻门植物为单细胞，具有纤维素的细胞壁。( )

解析：B

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举一反三的答案和解析：

[单选题]57____

switch

解析：

switch topics（变换标题）属于修改作品的一部分。动词discuss（讨论）、exhaust（汲干、使筋疲力尽）、cover（覆盖、包含）都不符题意。本题难度适中。

[单选题]合欢属于( )科。

含羞草

[多选题]具有柔荑花序的分类群是( )。

杨柳科

壳斗科(雄花序)

解析：AB

[单选题]进入20世纪该区域

实施了退耕还林

[单选题]By reading novels and writers’ stories, the girl could ______.

come to understand the inner structure of writing

[单选题]下列关于粉碎原理的叙述哪项是正确的（ ）。

以上均不正确

[单选题]The 1900 house

The bowler family was one of more than 400 families who applied to 1900 house, a reality TV shout which took a typical family back a hundred years to se how people lived in the days before the internet, computer games and even electricity. The bowler family spent three months in a London home without a telephone, computers, TV, or fast food. The bowlers wore clothes from 1900, are only food available in English at that time, and cooked their meals on a single stove. Paul bowler still went to work every day in a then uniform. The children changed their clothes on the way to and from school and their classmates didn’t know about then unusural home life. Joyce stayed at home, cooking and cleaning like a typical housewife of the time, though everything took three times as long. So does Joyce think that people’s lives were better in the old days? “I think people in the old days had just ad many troubles and worries,” Joyce said.

the mother spent more time on housework

解析：【文章导读】在英国，Bowler一家有幸成为400户体验20世纪初期人们日常生活的家庭之一，在这项体验活动中Bowler住进那个时期的房子，没有电话，电脑，电视，快餐身穿那个时代的服饰，通过这为期三个月的体验活动，他们一家人对于现在的生活有了更深的理解。  A。【解析】推理判断题。根据第二自然段的最后一句可知本题选A。

[单选题]How many hours of housework did men do every week in the 1970s?

About y.

[单选题]《朱子语类》云：“唐制：每事先经由中书省，中书做定将上，得旨，再下中书，中书以付门下。或存未当，则门下缴驳，…-若可行．门下又下尚书省．尚书但主书撰奉行而已；”对此理解有误的是

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