根据《招标投标法》的规定，下列关于联合体协议的表述中不正确的是( )。
A. 联合体各方应当签订共同投标协议
B. 联合体各方签订共同投标协议是为了明确约定各方拟承担的工作和责任
C. 联合体各方应将共同投标协议连同投标文件最终一并提交给联合体的牵头人
D. 如中标的联合体内部发生纠纷，可以依据共同签订的协议加以解决
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某竣工验收合格的引水渠工程，初期通水后两岸坡体出现了很长的纵向裂缝，并局部地面下沉，该地区土质可能为（）。
A. 红黏土
B. 软岩
C. 砂土
D. 湿陷性黄土
豆类的蛋白质含量是( )
A. 10～30％
B. 20～40％
C. 30～50％
D. 40～60％
According to the passage, the highest amount of pheromone vapor is found（）
A. in the receptors of the ants
B. just above the trail
C. in the source of food
D. under the soil along the trail
According to the passage, what responsibility does the audience of a verbal art performance have（）
A. They provide financial support for performances
B. They judge the quality of the content and presentation
C. They participate in the performance by chanting responses
D. They determine the length of the performance by requesting a continuation
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