个体对复杂疾病的易感性以及对各种药物的耐受性的差异是因为
A．SNPB．点多态C．RFLPD．以上都不是E．染色体的畸变或缺失
参考答案：A
You are working on a software development project and there is 60% probability that development will be completed by the planned date and 70% probability that testing will be completed by the planned date．What is the probability that development and testing will be completed as per schedule ？（）
A．65%．
B．42%．
C．66%．
D．63%．
混凝土桩基础工程量按( )计算。
A．设计图示桩长度(包括桩尖)尺寸，计量单位：m
B．设计图示桩长度(不包括桩尖)尺寸，计量单位：m
C．设计图示桩长度(包括桩尖)尺寸乘以桩截面积；计算单位：m3
D．设计图示桩长度(不包括桩尖)尺寸乘以桩面积；计算单位：m3
