单层厂房变形缝的类型主要有伸缩缝、沉降缝和抗震缝。
参考答案:对
The employees were tired of working ______ hours and some of them even gave up their work.
A.special
B.extra
C.especial
D.spare
1mol葡萄糖在体内完全氧化时可净生成()molATP?
A.40或42
B.36或38
C.12或14
D.2或4