问题
单项选择题
工程竣工验收时，竣工验收委员会可以根据需要对工程质量再次进行抽检，抽检内容和方法由( )确定。
A．项目法人
B．监理单位
C．验收委员会
D．设计单位
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
工程竣工验收时，竣工验收委员会可以根据需要对工程质量再次进行抽检，抽检内容和方法由( )确定。
A．项目法人
B．监理单位
C．验收委员会
D．设计单位
参考答案：C
下图为人体内基因对性状的控制过程，请回答下列问题：
(1)图中①过程发生的碱基配对方式与②过程不同的是________。
(2)发生③过程的根本原因是图中的_________，这种变化多发生于细胞分裂的________期。
(3)该图反映了基因对性状的控制是通过两个途径实现的，即一是__________，二是_________。
(4)镰刀型细胞贫血症是由常染色体上的隐性致病基因引起的，下图为某家族镰刀型细胞贫血症的系谱图，致病基因用a表示，则Ⅲ4的基因型为_______；如果Ⅲ2与Ⅲ4婚配，则生出患病男孩的几率为____。
Columbus returned home with the news of his discovery of “Indian” 36 Columbus called it. Then he was considered as the hero who had given a new world to Spain. Never had so great __37__ been shown to any __38__man.But there were some who were jealous of the __39__.”Who is this Columbus?” they asked, “and what has he done? Isn’t he a poor sailor from Italy？And could __40__ other seamen sail across the ocean just as he has done?” One day Columbus was at 41 and several of these fellows were __42__ too. They tried to make Columbus __43__.”You have discovered strange lands __44__ the sea,”they said.“But we don’t see why there __45__ be so much said about it. Anybody can sail across the ocean and anybody can coast along the islands __46__ ,just as you have done. It is the __47__ thing in the world.” Columbus made no answer, but after a while he took an egg from a dish and said to the people at the table, “Who __48__ you, gentlemen, can make the egg stand __49__ ?” One by one they tried the __50__．When the egg had gone __51__ around and everyone had failed, all said that it could not be done, Then Columbus took the egg and __52__the shell of the egg’s small end a little upon the table. After that there was no trouble in making it stand __53__.“Gentlemen,”said he, “what is easy than to do this __54__ you said was impossible ? It is simplest thing in the world. Anybody can do it-----AFTER HE HAD BEEN SHOWN __55__.” 小题1:A. so B. when C as D. that
|