皮皮学，免费搜题
登录
搜题
【单选题】
加捻使纱线长度A.
增加
B.
缩短
C.
先增加后缩短
D.
不变
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】—Could you tell me how _____ Ren'ai Education Institute? —Go along the street and you will see it. [ ]
A.
get to
B.
getting to
C.
to get to
D.
get
【单选题】Which of the following can be inferred about the old man seated behind the table?
A.
He showed much tolerance to the old man.
B.
He often pat on airs before people of lower status.
C.
He refused to respond to the old man' s enquiries.
D.
He seemed to lose his patience too easily.
【单选题】old man behind Mary is university teacher. (09广东省,29)
A.
An; an
B.
A; the
C.
The; a
D.
The; an
【单选题】____ old man behind Mary is ____ university teacher.
A.
A n ; an
B.
The ; an
C.
The ; a
D.
A ; the
【单选题】汽车尾气中含有一氧化碳和一氧化氮，可以用高效催化剂将它们转化无害气体，反应的微观过程示意图如下图所示。从图中可以获得以下信息，其中错误的是（ ）
A.
化学变化前后分子种类一定发生改变
B.
物质的组成元素相同，物质的性质相同
C.
化学反应前后元素种类、原子种类、原子数目一定不变
D.
该反应的化学方程式可以表示为：2CO+2NO 催化剂 N 2 +2CO 2
【单选题】____ old man behind Mary is _____ university teacher.
A.
An, an
B.
The , a
C.
A , the
D.
The , an
【单选题】Which of the following can be inferred about the old man seated behind the table?
A.
He showed much tolerance to the old man.
B.
He often put on airs before people of lower status.
C.
He refused to respond to the old man's enquiries.
D.
He seemed to lose his patience too easily.
【单选题】old man behind Mary is university teacher. [ ]
A.
An, an
B.
A, the
C.
The, a
D.
The, an
【单选题】____ old man behind Tom is _____ university teacher. A. An; an B. A; the C. The; a D. The; an
A.
An;an
B.
A;the
C.
The;a
D.
The;an
【单选题】_____old man behind Mary is _____ teacher. [ ]
A.
An; an
B.
A; the
C.
The; a
D.
The; an
相关题目：