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【判断题】
蛴螬为害根茎切口整齐,产生的虫容易引起病菌的侵染和进一步的间接为害。
A.
正确
B.
错误
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【多选题】除焊接封闭环式箍筋外,箍筋的末端应作弯钩,弯钩形式应符合设计要求,当设计无具体要求时,应符合下列规定()。
A.
箍筋弯钩的弯折角度:对一般结构不应小于90°;对有抗震等要求的结构,应为135°
B.
箍筋弯钩的弯折角度:对一般结构不应小于135°;对有抗震等要求的结构,应为180°
C.
箍筋弯后平直部分长度:对一般结构不宜小于箍筋直径的5倍;对有抗震等要求的结构,不应小于箍筋直径的10倍
D.
箍筋弯后平直部分长度:对一般结构不宜小于箍筋直径的6倍;对有抗震等要求的结构,不应小于箍筋直径的15倍
【多选题】除焊接封闭环式箍筋外,箍筋的末端应作弯钩,弯钩形式应符合设计要求;当设计无具体要求时,应符合下列规定()。
A.
箍筋弯钩的弯弧内直径除应满足本规范第5.3.1条的规定外,尚应不小于受力钢筋直径
B.
箍筋弯钩的弯折角度:对一般结构,不应小于90°;对有抗震等要求的结构,应为135°
C.
箍筋弯后平直部分长度:对一般结构,不宜小于箍筋直径的10倍;对有抗震等要求的结构,不应小于箍筋直径的5倍
D.
箍筋弯后平直部分长度:对一般结构,不宜小于箍筋直径的5倍;对有抗震等要求的结构,不应小于箍筋直径的10倍
【多选题】除焊接封闭环式箍筋外,箍筋的末端应作弯钩,弯钩形式应符合设计要求;当设计无具体要求时,应符合下列()规定。
A.
箍筋弯钩的弯弧内直径不应小于钢筋直径的2.5倍,尚应不小于受力钢筋直径
B.
箍筋弯钩的弯弧内直径不应小于钢筋直径的3倍,尚应不小于受力钢筋直径
C.
对一般结构,箍筋弯钩的弯折角度不应小于135°
D.
对一般结构,箍筋弯后平直部分长度不宜小于箍筋直径的5倍
E.
对有抗震等要求的结构,箍筋弯后平直部分长度不应小于箍筋直径的10倍
【单选题】What does the man suggest?
A.
He suggests that the woman take a bus.
B.
He suggests that the woman take a taxi.
C.
He suggests that the woman walk home.
【单选题】what does the man suggest?
A.
He suggests that the woman take a bus.
B.
He suggests that the woman take a taxi.
C.
He suggests that the woman walk home.
【单选题】What does Tom mean?
A.
He suggests that the woman go to the library.
B.
He suggests that the woman shouldn't read.
C.
He wants to stop the noise.
【单选题】With a view to correct the mistakes of our forefathers, the author suggests that______.
A.
we plant more trees
B.
we be taught environmental science, as well as the science of plants
C.
environmental education be directed toward everyone
D.
we return to nature
【单选题】Ryan suggests that women are more suited for jobs in _____.
A.
education and office work
B.
farming and house cleaning
C.
nursing and child care
【多选题】除焊接封闭箍筋外,箍筋、拉筋的末端应按设计要求作弯钩。当设计无具体要求时,应符合下列哪些规定()
A.
箍筋弯折处的弯弧内直径不应小于纵向受力钢筋直径的2.5倍
B.
对一般结构构件,箍筋弯钩的弯折角度不应小于90°,弯折后平直部分长度不应小于箍筋直径的5倍;对有抗震设防及设计有专门要求的结构构件,箍筋弯钩的弯折角度不应小于135°,弯折后平直部分长度不应小于箍筋直径的10倍和75mm的较大值
C.
圆柱箍筋的搭接长度不应小于钢筋的锚固长度,两末端均应作135°弯钩,弯折后平直部分长度对一般结构构件不应小于箍筋直径的5倍,对有抗震设防要求的结构构件不应小于箍筋直径的10倍
D.
拉筋两端弯钩的弯折角度均不应小于135°,弯折后平直部分长度不应小于拉筋直径的10倍
【单选题】The passage suggests that which of the following would be LEAST important in determining whether a research subject is likely to contract coronary heart disease?
A.
The ratio of LDL to HDL in the subject's blood
B.
The subject's level of blood cholesterol
C.
The subject's percentage of body fat
D.
The subject's degree of physical inactivity
E.
The consumption ratio of polyunsaturated fats to monounsaturated fats
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