【名词&注释】
垃圾邮件(spam)、营养繁殖(vegetative propagation)、征求意见(solicit opinions)、愚公移山、啼笑皆非、转弯抹角(circuity)、大孢子母细胞(megasporocyte)、刚愎自用、悄无声息、千姿百态
[单选题]通常大孢子母细胞(megasporocyte)衍生的4个大孢子中只有珠孔端的一个发育为胚囊。( )
A. 正确
B. 错误
查看答案&解析
举一反三：
[单选题]在一些蓝藻的藻丝上常有异形胞，它的功能是进行光合作用和营养繁殖。( )
A. 正确
B. 错误
[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]下列词语中，划线字的读音全都正确的一组是
A. 包扎(zā) 殷红(yān) 损兵折将(zhé) 还看今朝(hái)
B. 劲敌(jìng) 答理(dá) 转弯抹角(mò) 悄无声息(qiǎo)
C. 阡陌(mò) 膝盖(qī) 舐犊情深(shì) 刚愎自用(bì)
D. 镌刻(juān) 恪守(kè) 迄今为止(qì) 煽风点火(shàn)
[单选题]How did the auther probably feel after he talked with his friend?
A. Proud B．Pitiful
B. Surpricd D．Rectful
[单选题]May I take this book out of the reading room?No,you_______ . You read it in here.
A. mightn’t
B. won’t
C. need’t
D. mustn’t
[单选题]下列词语中加点的字，每对的读音都不相同的一组是
A. 拜谒/枯谒 冲锋枪/冲击波恣意妄为/千姿百态
B. 陨石/功勋 倒胃口/倒栽葱崇山峻岭/怙恶不悛
C. 梗概/田埂 迫击炮/迫切性瓜熟蒂落/啼笑皆非
D. 篆书/椽子 空白点/空城计愚公移山/向隅而泣
[单选题]下列句子中，加点词的用法与其他三项不同的一项是
A. 足以悦人而不足以移人者
B. 凶其身
C. 吾薄富贵而厚于书
D. 庶几全其乐而远其病也
[单选题]
A. tendency
B. preference
C. determination
D. sense
[单选题]草莓的果属于( )。
A. 聚合果
B. 单果
C. 聚花果
D. 复果
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