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【单选题】
关于鸟类的双重呼吸的叙述不正确的是?( )A.
双重呼吸提高了气体交换的效率
B.
双重呼吸是鸟类特有的呼吸方式
C.
每呼吸一次，空气两次经过肺
D.
肺和气囊是进行气体交换的场所
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反馈参考答案：
举一反三
【单选题】A) He was not well prepared. B) He did not get to the exam in time. C) He was not used to the test format. D) He did not follow the test procedure.
A.
He was not well prepared.
B.
He did not get to the exam in time.
C.
He was not used to the test format.
D.
He did not follow the test procedure.
【简答题】《左传》是《春秋左氏传》的简称，又名（），是配合（）的编年史。
【简答题】A．He was ready to make a concession. B．He was not prepared to go to court. C．He was not intimidated. D．He was a bit concerned.
【多选题】会计核算是指会计以货币为主要计量单位，通过（ ）等环节，对特定主题的经济活动进行记账、算账、报账，为有关方面提供会计信息的功能。
A.
报告
B.
计算
C.
记录
D.
确认
【简答题】A．He was not happy with the new director. B．He was not qualified to be an engineer. C．He wanted to travel. D．He found his job boring.
【简答题】SDH高阶通道开销中的信号标记字节的作用是__________和__________
【简答题】为了避免嵌套条件语句的二义性,C语言规定else与其前面最近的【1】语句配对.
【简答题】A．He was ready to make a concession. B．He was not intimidated. C．He was not prepared to go to court. D．He was a bit concerned.
【单选题】While he was not dumber than an ox, he was not any smarter so most of his classmates were lenient and helped him along.
A.
helpful
B.
merciful
C.
enthusiastic
D.
intelligent
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