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【简答题】
请分析下列各图，回答有关人体免疫的问题． （1）图______和图______表示人体的第一道防线；图B和图______表示人体的第二道防线．这两道防线人人生来就有，不只针对某一类特定的病原体，而是对多种病原体都有防御作用，因此叫做______免疫． （2）第三道防线是人体在出生以后才逐渐建立起来的后天防御功能，其特点是只针对某一特定的病原体或异物起作用，因此叫做______免疫．
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举一反三
【单选题】What do you know about the boy?
A.
He isn't as good at football as at French.
B.
He is interested in football.
C.
He doesn't like to watch TV.
【简答题】下列功能中不属于施密特触发器应用范围的为： A．脉冲延时 B．波形变换 C．脉冲整形 D．幅度搭别
【多选题】商业银行的贷款担保政策主要包括
A.
明确担保的方式
B.
规定抵押品的鉴定、评估方法和程序
C.
确定贷款与抵押品估值的比率、贷款与质押品价值的比率
D.
确定担保人的资格和还款能力的评估方法与程序
【单选题】听力原文：M: What do you think of Professor Clark's class? W: Well, his lectures are interesting enough, but I think he could have given us an easier test. What does the woman think of Professor Clark's cl...
A.
She thinks his lectures are boring.
B.
She thinks his tests are easy.
C.
She thinks his tests are difficult.
D.
She doesn't think he prepares his lectures well enough.
【单选题】听力原文：M: I would like to book a holiday. W: Ok sir. What type of holiday are you interested in? We offer many different kinds to suit all tastes. Q: Who is having this conversation? (14)
A.
customer and estate agent.
B.
customer and travel agent.
C.
customer and shop assistant.
D.
customer and lawyer.
【简答题】肝蒂
【单选题】—What do you think about this radio station? —I think it's really great. It plays music. [ ]
A.
interesting
B.
dull
C.
boring
D.
bad
【简答题】肝蒂
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