河姆渡原始居民种植水稻和干栏式建筑反映了长江流域的自然环境为： [ ]
A、温暖湿润
B、干燥少雨
C、多风沙
D、寒冷
答案：A
慢性心房颤动伴二度房室传导阻滞者，应首选的起搏器型号是
A．ICD型B．VVI型C．AAI型D．VOO型
The receiving activities conduct analyses of the requirements with the requirements provider to ensure that a compatible, shared understanding is reached on the meaning of the requirements. The result ofthis analysis and dialog is an（）set of requirements.
A.agreed-to
B.agree-to
C.agree-to-do
D.agree-with
