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【判断题】
任何两条等压线之间的压差必须相等;但是两条流线之间的产量没必要相等。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】下列操作中属于跨市价差交易行为的是( )。
A.
买入1手LME3月份铜期货合约，同时卖出1手4月份上海期货交易所铜期货合约
B.
买入5手CBOT3月份大豆期货合约，同时卖出5手大连商品交易所5月份大豆期货合约
C.
卖出1手LME3月份铜期货合约，同时卖出1手CBOT5月份大豆期货合约
D.
卖出3手4月份上海期货交易所铜期货合约，同时买入1手4月份大连商品交易所大豆期货合约
【简答题】阅读理解。 My name is Max. I am twelve years old. I have many friends. Most of them are as old as I. Some are older. Some are younger. My best friend is Bill. He lives near me. We go to the same school and...
【单选题】以下操作中属于跨市套利的是( )。
A.
买入1手LME3月份铜期货合约，同时卖出1手3月份上海期货交易所铜期货合约
B.
买入5手CBOT3月份大豆期货合约，同时卖出5手大连商品交易所5月份大豆期货合约
C.
卖出1手LME3月份铜期货合约，同时卖出1手CBOT5月份大豆期货合约
D.
卖出3手4月份上海期货交易所铜期货合约，同时买入1手4月份大连商品交易所大豆期货合约
【判断题】Task-based language teaching has replaced Communicative language teaching.
A.
正确
B.
错误
【简答题】What is Task-based Language Teaching?
【简答题】听短文，填空。 I know I am a good person, because I have many friends. We work __ 1 __We help each other. We make__ 2 __ strong! I study a lot. I strive to do well in school. I do my homework and I study for...
【单选题】I have many friends here.lily is —.
A.
Mine friend
B.
A friend of my
C.
One of my
D.
One of them
【单选题】Task-based language teaching stresses
A.
Grammar-focused teaching
B.
Communication-focused teaching
C.
Vocabulary-focused teaching
D.
The combination of form-focused teaching and communication-focused teaching
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