皮皮学，免费搜题
登录
搜题
【单选题】
某大体积混凝土采用全面分层法连续浇筑时，混凝土初凝时间为180min，运输时间为30min。已知上午8时开始浇筑第一层混凝土，那么最晚可以在上午(    )开始浇筑第二层混凝土。
A.
9时    
B.
9时30分    
C.
10时    
D.
11时
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】以下不属于三种基本结构的是？
A.
顺序
B.
递归
C.
分支
D.
循环
查看完整题目与答案
【简答题】用正确的介词、副词填空。 It won't rain; you can leave your umbrella 1__________. I have no time to engage 2.__________ the football match. He quit the long jump to take 3.____________ long-distance running. The s...
查看完整题目与答案
【单选题】________ a good home is important.
A.
Should a pet get
B.
Does a pet get
C.
If a pet gets
D.
Whether a pet gets
查看完整题目与答案
【单选题】听力原文：W: Tom and I are having a party next week. We wondered if you and Jill would be free to join us. M: Sounds great, but I'd better talk to Jill before we say yes. Q: What does the man imply? (18)
A.
He'd like to reschedule the party.
B.
He and Jill aren't free next week.
C.
He's not sure if Jill is available on Friday.
D.
He doesn't know what to bring to the party.
查看完整题目与答案
【简答题】He's having a party in celebration ______ his 80th birthday.
查看完整题目与答案
【简答题】听长对话，回答问题。 1. Who wants to study science? A. Alan B. Lisa C. Peter 2. When is Alan free? A. This evening B. Tomorrow evening C. Tomorrow afternoon 3. When is Mike's birthday? A. Thursday, 14th B. Frid...
查看完整题目与答案
【单选题】Mini-Dialogue 3
A.
He's writing a book report on American literature.
B.
He's working on his schoolwork.
C.
He's taking a chemistry exam.
D.
He's having fun at a party.
查看完整题目与答案
【单选题】宅男宅女 受疫情影响,最近许多中国人都“宅”在家不出门,当起了“宅男、宅女”。 “宅”,在汉语中表示“住宅,居所( house , residence )”,现在一般大众对于作形容词或动词的“宅”通常理解为足不出户,例如“宅在家”指“ stay at home ”,“宅男、宅女”主要指长期足不出户、喜欢呆在家里的人( someone who enjoys being at home and spe...
A.
homebody
B.
homestay
查看完整题目与答案
【判断题】根据函数能否被其他源文件调用,将函数区分为内部函数和外部函数。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The second paragraph uses facts to develop the basic idea that______.
A.
a plant efficiently utilizes most of the water it absorbs
B.
carbon dioxide is the essential substance needed for plant development
C.
a plant needs more water than is found in its composition
D.
the stronger the wind, the more the water vapor loss
查看完整题目与答案
相关题目：
【单选题】以下不属于三种基本结构的是？
A.
顺序
B.
递归
C.
分支
D.
循环
查看完整题目与答案
【简答题】用正确的介词、副词填空。 It won't rain; you can leave your umbrella 1__________. I have no time to engage 2.__________ the football match. He quit the long jump to take 3.____________ long-distance running. The s...
查看完整题目与答案
【单选题】________ a good home is important.
A.
Should a pet get
B.
Does a pet get
C.
If a pet gets
D.
Whether a pet gets
查看完整题目与答案
【单选题】听力原文：W: Tom and I are having a party next week. We wondered if you and Jill would be free to join us. M: Sounds great, but I'd better talk to Jill before we say yes. Q: What does the man imply? (18)
A.
He'd like to reschedule the party.
B.
He and Jill aren't free next week.
C.
He's not sure if Jill is available on Friday.
D.
He doesn't know what to bring to the party.
查看完整题目与答案
【简答题】He's having a party in celebration ______ his 80th birthday.
查看完整题目与答案
【简答题】听长对话，回答问题。 1. Who wants to study science? A. Alan B. Lisa C. Peter 2. When is Alan free? A. This evening B. Tomorrow evening C. Tomorrow afternoon 3. When is Mike's birthday? A. Thursday, 14th B. Frid...
查看完整题目与答案
【单选题】Mini-Dialogue 3
A.
He's writing a book report on American literature.
B.
He's working on his schoolwork.
C.
He's taking a chemistry exam.
D.
He's having fun at a party.
查看完整题目与答案
【单选题】宅男宅女 受疫情影响,最近许多中国人都“宅”在家不出门,当起了“宅男、宅女”。 “宅”,在汉语中表示“住宅,居所( house , residence )”,现在一般大众对于作形容词或动词的“宅”通常理解为足不出户,例如“宅在家”指“ stay at home ”,“宅男、宅女”主要指长期足不出户、喜欢呆在家里的人( someone who enjoys being at home and spe...
A.
homebody
B.
homestay
查看完整题目与答案
【判断题】根据函数能否被其他源文件调用,将函数区分为内部函数和外部函数。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The second paragraph uses facts to develop the basic idea that______.
A.
a plant efficiently utilizes most of the water it absorbs
B.
carbon dioxide is the essential substance needed for plant development
C.
a plant needs more water than is found in its composition
D.
the stronger the wind, the more the water vapor loss
查看完整题目与答案