对涉及安全和使用功能的地基基础、主体结构、有关安全及重要使用功能的安装分部工程应进行有关见证取样送样试验或抽样检测。（）
参考答案：对
根据短文内容和首字母提示，把所缺单词填写在短文中的横线上
Many students often c l about school. They might feel they have too m 2 work to do sometimes,
or think the rules are too s 3 . We must learn how to change these " problems " into " challenges " .
Education is an important part of our d 4 . As young teenagers, it is our d 5 to try our best to deal
with each challenge in our education with the h 6 of our teachers.
先天性心脏病姑息性手术中主一肺动脉分流术。
其目的是
A．降低体循环的阻力B．降低肺循环的阻力C．增加肺循环血流D．减轻左心的负担E．减轻右心的负担
