皮皮学，免费搜题
登录
搜题
【单选题】
B级分隔是指由符合（）要求的舱壁、甲板、天花板或衬板所组成的分隔。 ①、其构造能在最初半小时的标准耐火试验结束时，防止火焰通过； ②、具有符合规定的隔热值； ③、以认可的不燃材料制成A.
①、②、③
B.
①、②
C.
①、③
D.
②、③
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】.He _____ she_____ his new teacher. [ ]
A.
think, isn't
B.
don't think, is
C.
doesn't think, is
D.
thinks, isn't
【单选题】—Would you like to come to see a film with me tonight?—I' d love to, ______I didn't finish my homework yet.
A.
and
B.
so
C.
as
D.
but
【单选题】—Would you like to go to the concert with me? —I'd love to, ________ I can't. I have a lot of homework to do. [ ]
A.
for
B.
so
C.
but
D.
or
【单选题】－ Would you like to go to the concert with me? － I'd love to, ______ I can't. I have a lot of homework to do. [ ]
A.
or
B.
but
C.
so
D.
and
【单选题】根据生产技术和施工组织条件，对施工过程中各工序采用一定的方法测出工时消耗等资料，再对所获得的资料进行分析，制订出人工定额的方法是（ ）。
A.
统计分析法
B.
比较类推法
C.
经验估算法
D.
技术测定法
相关题目：