皮皮学，免费搜题
登录
搜题
【简答题】
Read and translate. (翻译下列句子) 1. What is he doing? ______________________________________ 2. He's eating lunch. ______________________________________
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】将焊件两部分的结合处加热到熔化状态并形成共同的熔池,一般同时还要熔入填充金属,这种焊接方法称为( )。
A.
熔焊
B.
压力焊
C.
钎焊
D.
气焊
查看完整题目与答案
【简答题】在时限运动的五种形态中,_______相当于电影中的慢镜头。
查看完整题目与答案
【单选题】微量元素__________的生理功能之一是加强胰岛素的作用，缺乏可致葡萄糖耐量损害。
A.
锌
B.
铬
C.
铁
D.
铜
查看完整题目与答案
【单选题】There must be few questions on which responsible opinion is so utterly divided as on that of how much sleep we ought to have. There are some who think we can leave the body to regulate these matters f...
A.
there are many controversial issues like the right amount of sleep
B.
among many issues the right amount of sleep is the least controversial
C.
people are now moving towards solving many controversial issues
D.
the right amount of sleep is a topic of much controversy among doctors
查看完整题目与答案
【单选题】There must have been someone who has instigated a rebellion because the people are so well organized.
A.
incited
B.
tampered
C.
intruded
D.
meddled
查看完整题目与答案
【单选题】锌元素与人体生理现象相关的正确的说法是
A.
促进胶原合成，维持牙齿、骨骼、器官正常功能
B.
构成脱羧酶辅酶参与糖类代谢
C.
是蛋白质的组成成分
D.
是合成甲状腺素的关键原料
E.
在蛋白质代谢合成中发挥作用
查看完整题目与答案
【单选题】关于绘制断面图的叙述错误的是( )
A.
移出断面图画在视图之外
B.
断面图的轮廓线用粗实线绘制，并在断面轮廓内表明材料图例
C.
中断断面图绘制在视图的中断处
D.
重合断面图绘制在视图上，断面图的轮廓线一般用细实线绘制，并在断面轮廓内表明材料图例。
查看完整题目与答案
【单选题】中断断面图的中断处用( )绘制。
A.
波浪线
B.
折断线
C.
波浪线或折断线
D.
曲线
查看完整题目与答案
【单选题】There must be few questions on which responsible opinion is so utterly divided as on that of how much sleep we ought to have. There are some who think we can leave the body to regulate these matters f...
A.
there are many controversial issues like the right amount of sleep
B.
among many issues the right amount of sleep is the least controversial
C.
people are now moving towards solving many controversial issues
D.
the right amount of sleep is a topic of much controversy among doctors
查看完整题目与答案
【单选题】利用均匀浮标法测算流量时，下列选项中（）不是绘制浮标流速横向分布曲线和横断面图的目的。
A.
查读各个部分面积分界线处的虚流速
B.
分析实测浮标流速的合理性
C.
计算浮标虚流量
D.
建立浮标流速分布与断面水深的对应关系
查看完整题目与答案
相关题目：
【单选题】将焊件两部分的结合处加热到熔化状态并形成共同的熔池,一般同时还要熔入填充金属,这种焊接方法称为( )。
A.
熔焊
B.
压力焊
C.
钎焊
D.
气焊
查看完整题目与答案
【简答题】在时限运动的五种形态中,_______相当于电影中的慢镜头。
查看完整题目与答案
【单选题】微量元素__________的生理功能之一是加强胰岛素的作用，缺乏可致葡萄糖耐量损害。
A.
锌
B.
铬
C.
铁
D.
铜
查看完整题目与答案
【单选题】There must be few questions on which responsible opinion is so utterly divided as on that of how much sleep we ought to have. There are some who think we can leave the body to regulate these matters f...
A.
there are many controversial issues like the right amount of sleep
B.
among many issues the right amount of sleep is the least controversial
C.
people are now moving towards solving many controversial issues
D.
the right amount of sleep is a topic of much controversy among doctors
查看完整题目与答案
【单选题】There must have been someone who has instigated a rebellion because the people are so well organized.
A.
incited
B.
tampered
C.
intruded
D.
meddled
查看完整题目与答案
【单选题】锌元素与人体生理现象相关的正确的说法是
A.
促进胶原合成，维持牙齿、骨骼、器官正常功能
B.
构成脱羧酶辅酶参与糖类代谢
C.
是蛋白质的组成成分
D.
是合成甲状腺素的关键原料
E.
在蛋白质代谢合成中发挥作用
查看完整题目与答案
【单选题】关于绘制断面图的叙述错误的是( )
A.
移出断面图画在视图之外
B.
断面图的轮廓线用粗实线绘制，并在断面轮廓内表明材料图例
C.
中断断面图绘制在视图的中断处
D.
重合断面图绘制在视图上，断面图的轮廓线一般用细实线绘制，并在断面轮廓内表明材料图例。
查看完整题目与答案
【单选题】中断断面图的中断处用( )绘制。
A.
波浪线
B.
折断线
C.
波浪线或折断线
D.
曲线
查看完整题目与答案
【单选题】There must be few questions on which responsible opinion is so utterly divided as on that of how much sleep we ought to have. There are some who think we can leave the body to regulate these matters f...
A.
there are many controversial issues like the right amount of sleep
B.
among many issues the right amount of sleep is the least controversial
C.
people are now moving towards solving many controversial issues
D.
the right amount of sleep is a topic of much controversy among doctors
查看完整题目与答案
【单选题】利用均匀浮标法测算流量时，下列选项中（）不是绘制浮标流速横向分布曲线和横断面图的目的。
A.
查读各个部分面积分界线处的虚流速
B.
分析实测浮标流速的合理性
C.
计算浮标虚流量
D.
建立浮标流速分布与断面水深的对应关系
查看完整题目与答案