皮皮学,免费搜题
登录
搜题
【单选题】
【30】
A.
decreased
B.
increasingly
C.
increased
D.
compounded
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
【简答题】凭谁问, ,
【单选题】要想变压器效率最高,应使其运行在()。
A.
额定负载时
B.
80%额定负载时
C.
75%额定负载时
D.
绕组中铜损耗与载损耗相等时
【简答题】There are many cars over there. Five of them are brown. Twelve of them are red. Three of them are yellow. Four green cars, eight blue cars, two orange cars and one white car are there, too. They are n...
【单选题】要想变压器效率最高,应使其运行在( )。
A.
额定负载时
B.
90%额定负载时
C.
绕组中铜损与空载损耗相等时
D.
铜损远大于空载损耗时
【单选题】There are many old and new inventions in the museum. What else is there _____ in it?
A.
see
B.
to see
C.
seeing
D.
saw
【单选题】要想变压器效率最高,应使其运行在()
A.
额定负载时
B.
80%额定负载时
C.
75%额定负载时
D.
绕组中铜损耗与空载损耗相等时
【单选题】下列选项中,能够一次性向student表中添加三条记录的SQL语句是
A.
INSERT INTO student VALUES (6,'lilei',99);(7,'hanmeimei',100);(8,'poly',40.5);
B.
INSERT INTO student VALUES (6,'lilei',99) (7,'hanmeimei',100) (8,'poly',40.5);
C.
INSERT INTO student VALUES (6,'lilei',99),(7,'hanmeimei',100),(8,'poly',40.5);
D.
INSERT INTO student VALUES (6,'lilei',99) VALUES(7,'hanmeimei',100) VALUES(8,'poly',40.5);
【单选题】计算首层平整场地面积时需要计算保温层的厚度,应该采用()操作扩展边线
A.
拉伸
B.
偏移
C.
扩展
D.
合并
【单选题】— What do you think of the new book? — There are so many new words in chapter (章节). It's a bit hard. [     ]
A.
fifth
B.
five
C.
the fifth
【多选题】以下哪些是钢材的加工形式?( )
A.
钢板的切割
B.
使用矫直机将薄板卷材展平、纵向切割薄板卷,使之成为窄幅
C.
用汽割厚板
D.
切断成形钢材
相关题目: