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【简答题】
判断正误。 Readers ( 《朗读者》 ) is a popular TV show in China. It invites people to read aloud on the stage ( 舞台 ). The show also tells moving stories behind those people. They can read everything, like poems, books, and letters. Many people are fans of the show. They begin to enjoy reading aloud at home. Now, the show gives people a place to read. It is a reading pavilion ( 朗读亭 ). It showed up in cities like Shanghai, Hangzhou and Xi’an. Let’s have a look! The pavilion is not very big. Only one person can come into it each time. There is a microphone ( 麦克风 ) in it and it records people’s voices. Everyone can read for three minutes in it. You can read anything you like. The show will pick some of the readers and invite them to read on TV. Lots of people come to the pavilion to read. Yu Duohan is an 11-year-old girl from Shanghai. She read the story Take a Snail for a Walk ( 《牵一只蜗牛去散步》 ). “I love reading aloud,” she said. “It makes the story become more beautiful.” The pavilion will also come to other cities across the country. You can read your favorite stories in the pavilion soon.
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【简答题】根据设计或工艺需要,在焊件的待焊部位加工成一定几何形状并经装配后构成的沟槽叫
【简答题】( )是根据设计或工艺需要,在焊件的待焊部位加工并装配成的一定几何形状的沟槽。
【单选题】某笔贷款的利息按年利率为10%,每季度复利计息,则贷款的年有效利率为( )。
A.
10.38%
B.
10.46%
C.
10.00%
D.
10.25%
【单选题】根据设计或工艺需要,在焊件的待部位加工并装配成的一定几何形状的沟槽叫做什么
A.
坡口
B.
溶孔
C.
孔隙
D.
裂缝
【单选题】某笔贷款的利息按年利率为10%,每季度复利计息,其贷款的年有效利率为( )。
A.
10.38%
B.
10.46%
C.
10%
D.
10.25%
【单选题】甲烷的空间结构呈( )。
A.
正四方体
B.
正方形
C.
正三角形
D.
直线型
【多选题】在焊件的待焊部位加工并装配成的一定几何形状的沟槽称为坡口。坡口的作用是为了保证( )。
A.
焊件不产生焊接应力
B.
焊缝根部焊透
C.
焊接质量和连接强度
D.
调整基本金属和填充金属比例
【单选题】甲烷的空间结构呈()
A.
正四面体
B.
三角椎体
C.
正三角形
D.
直线型
【单选题】甲烷的空间结构呈( )。
A.
正四面体
B.
正方形
C.
正三角形
D.
直线型
【简答题】坡口:根据 或 需要,在焊件的待焊部位加工成一定几何形状并经装配后构成的沟槽。
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