【名词&注释】
垃圾邮件(spam)、资源丰富(rich resources)、藻类植物(algae)、内河航运(inland navigation)、单子叶植物(monocotyledon)、双子叶植物(dicotyledon)、蝶形花科(papilionaceous plants)、万户侯、语无伦次(allophasis)、防患未然
[单选题]下列词语中没有错别字的一组是（ ）
A. 驰援 万户侯 明察秋毫 急风劲草
B. 规矩 流线形 歪风邪气 通宵达旦
C. 催眠 及时雨 寸草春辉 防患未然
D. 签订 护身符 屈指可数 语无伦次(allophasis)
查看答案&解析
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举一反三：
[多选题]花通常两侧对称的分类群是( )。
A. 石竹科
B. 唇形科
C. 蝶形花科(papilionaceous plants)
D. 兰科
[单选题]藻类植物都是单细胞或多细胞。( )
A. 正确
B. 错误
[单选题]下列关于图示地区的叙述，正确的是A 河流众多，内河航运便利
A. 暖流流经，渔业资源丰富
B. 海岸平直，建港条件优越
C. 地处低纬，利于海盐晒制
[单选题]With the world changing fast, we have something new with all by ourselves every day.
A. deal
B. dealt
C. to deal
D. dealing
[单选题]
A. alone
B. next door
C. at home
D. abroad
[单选题]藜科具有的胎座类型是( )。
A. 边缘胎座
B. 侧膜胎座
C. 中轴胎座
D. 基生胎座
[单选题]DWhen I first got an email account ten years ago, I received communications only from family,friends,and colleagues.Now it seems that every time I check my e-mail ,I have an endless seriers of advertisement and otner correspondence that do not interest the at all.If we want e-mail to continue to be useful,we need special laws that make spamming(发送垃圾邮件) a crime.
A. This problem is troubling for inviduals and companies as well. Many spam emails contain computer viruses that can shut down the entire network of a company.Companies rely on e-mail on on e-mail for their Comployees to communicate with each other. Spam frequently causes failures in their local commnications networks,and their employees are thus unable to communicate effectively.such a situationg results in a loss of productivity and requires companies to repeatedly repai their networks.These computer problems raise productton costs of companies ,which are,in the end,passed on to the consumer.
B. 60.What is the purpose of the text?
C. To inform.
D. To educate
E. To persuade
F. To instruet
[单选题]单子叶植物没有形成层，所以不能进行嫁接。( )
A. 正确
B. 错误
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