正确答案: A

纤维素、半纤维素和果胶

题目：植物细胞初生壁的主要成分是( )。

解析：A

查看原题

举一反三的答案和解析：

[单选题]27______

students

解析：

由下文的并列句“students who were getting on 。。。。。。。”可以知道

温馨提示：A 父母 B学生 C老师 D司机

[单选题]“爱情无须死去活来，温馨就行；朋友无须如胶似漆，知心就行；金钱无须取之不尽，够用就行；身体无须长命百岁，健康就行。”这段话体现的哲理是

重视量的积累 抓住时机促成质变 把握适度原则 抓住机遇赢得主动

[单选题]科举制是我国古代的选官制度。下列各项中，确切反映唐朝科举制情况的是

分进士等科目考试

[单选题]B I hated dinner partics. ButI decidedto give them anothar shot because I'm in LondonAnd my friend Mallery invited me. And because dinner parties in London are very differenfrom those back in New york. There, 'Tin having a dinner party' means: "I'm booklng a table for t2 at8 restaurant you can't afford and we'll be sharing the cheque evenly, no matter what you eat." Worse, in Manhanan there is always someone who leaves before the bijanives. They'll throw down cash, half of what they owe, and then people like me, who don'drink, end up paying even more. But ifI try to tree the same trick, the hostess will shou:"Where are you going?" And it's not likeI can say I have somewhere to go: everyone know shave nowhere to goButin London, dinner parties are in people's homes. Not only that, the guests are aninteresting mix. The last timeI went to one, the guests were from France, India. Denmark and Nigeria; it was like a gathering at the United Nations.hI New York. the mix is less striking It's like a gathering at Blooming dale's,a well-known department store.

Try

[单选题]具有离生雌蕊的是( )。

蔷薇亚科

[单选题]⒎下列对原文有关内容的分析和概括，不正确的一项是(3分)

彭子篯注意到沈通明在邓州的异常行为，前去察看，但两人一见如故，相处很好，于是彭子篯免除了他的罪责，将他释放。

解析：【解析】C 项“彭子篯注意到沈通明在邓州的异常行为，前去察看，但两人一见如故，相处很好，于是彭子篯免除了他的罪责，将他释放”中后半部分的分析明显不合文意。