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【多选题】
下列关于期现套利的说法，不正确的是（）。
A.
如果期货价格与现货价格的价差远远高于持仓费，套利者卖出现货，同时买入相关期货合约
B.
如果期货价格与现货价格的价差远远低于持仓费，套利者买入现货，同时卖出相关期货合约
C.
对于商品期货来说，现货市场缺少做空机制，限制了现货市场卖出的操作
D.
在实际操作中，只要价差变化有利，也可通过将期货合约和现货部位分别了结的方式来结束期现套利操作
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参考答案：
举一反三
【单选题】以下有机物中含羧基的是
A.
CH 3 CH＝CH 2
B.
CH 3 OCH 3
C.
CH 3 CH 2 NH 2
D.
HCOOH
查看完整题目与答案
【单选题】听力原文：M：Did you hear that Bob got sick yesterday during the final examination? W：Yes，I did．I think lately he has bitten off more than he can chew in studying and working． Q：What does the woman mean? (1...
A.
He always eats more than he can chew.
B.
He eats while studying and working.
C.
He got sick because he ate too much.
D.
Bob is trying to study and work too much.
查看完整题目与答案
【单选题】听力原文：M: What did you buy when you went downtown yesterday? W: I bought a blue shirt with a high neck for Tom and a white blouse with a low neck for myself. Q: What did the woman buy for herself? (14)
A.
A blue shirt with a high neck.
B.
A blue jacket with a low neck.
C.
A white blouse with a high neck.
D.
A white blouse with a low neck.
查看完整题目与答案
【单选题】Chaplin lived a stable and happy life in his later life.
A.
True
B.
False
C.
Not mentioned
D.
Partially mentioned
查看完整题目与答案
【单选题】听力原文：W: Did you watch the 7 o’clock program on channel 2 yesterday evening? I was about to watch it when someone came to see me. M: Yeah! It reported some major breakthrough in cancer research. People...
A.
It could help people of all ages to avoid cancer.
B.
It was mainly meant for cancer patients.
C.
It might appeal more to viewers over 40.
D.
It was frequently interrupted by commercials.
查看完整题目与答案
【单选题】下列药物中不具有平喘作用的药物是
A.
沙丁胺醇
B.
氨茶碱
C.
异丙托溴铵
D.
西米替丁
E.
麻黄碱
查看完整题目与答案
【单选题】下列药物具有平喘和强心作用的是
A.
去甲肾上腺素
B.
异丙 肾上腺素
C.
氨茶碱
D.
色甘酸钠
E.
酮替芬
查看完整题目与答案
【单选题】Charles Chaplin lived in ______ when he was a boy.
A.
America
B.
London
C.
Ireland
D.
a different world
查看完整题目与答案
【单选题】以下有机物中含羧基的是
A.
CH 3 CH＝CH 2
B.
CH 3 OCH 3
C.
CH 3 CH 2 NH 2
D.
CH 3 COOH
查看完整题目与答案
【单选题】下列药物中没有无不具有平喘作用的药物是
A.
沙丁醇胺
B.
可待因
C.
异丙肾上腺素
D.
氨茶碱
查看完整题目与答案
相关题目：
【单选题】以下有机物中含羧基的是
A.
CH 3 CH＝CH 2
B.
CH 3 OCH 3
C.
CH 3 CH 2 NH 2
D.
HCOOH
查看完整题目与答案
【单选题】听力原文：M：Did you hear that Bob got sick yesterday during the final examination? W：Yes，I did．I think lately he has bitten off more than he can chew in studying and working． Q：What does the woman mean? (1...
A.
He always eats more than he can chew.
B.
He eats while studying and working.
C.
He got sick because he ate too much.
D.
Bob is trying to study and work too much.
查看完整题目与答案
【单选题】听力原文：M: What did you buy when you went downtown yesterday? W: I bought a blue shirt with a high neck for Tom and a white blouse with a low neck for myself. Q: What did the woman buy for herself? (14)
A.
A blue shirt with a high neck.
B.
A blue jacket with a low neck.
C.
A white blouse with a high neck.
D.
A white blouse with a low neck.
查看完整题目与答案
【单选题】Chaplin lived a stable and happy life in his later life.
A.
True
B.
False
C.
Not mentioned
D.
Partially mentioned
查看完整题目与答案
【单选题】听力原文：W: Did you watch the 7 o’clock program on channel 2 yesterday evening? I was about to watch it when someone came to see me. M: Yeah! It reported some major breakthrough in cancer research. People...
A.
It could help people of all ages to avoid cancer.
B.
It was mainly meant for cancer patients.
C.
It might appeal more to viewers over 40.
D.
It was frequently interrupted by commercials.
查看完整题目与答案
【单选题】下列药物中不具有平喘作用的药物是
A.
沙丁胺醇
B.
氨茶碱
C.
异丙托溴铵
D.
西米替丁
E.
麻黄碱
查看完整题目与答案
【单选题】下列药物具有平喘和强心作用的是
A.
去甲肾上腺素
B.
异丙 肾上腺素
C.
氨茶碱
D.
色甘酸钠
E.
酮替芬
查看完整题目与答案
【单选题】Charles Chaplin lived in ______ when he was a boy.
A.
America
B.
London
C.
Ireland
D.
a different world
查看完整题目与答案
【单选题】以下有机物中含羧基的是
A.
CH 3 CH＝CH 2
B.
CH 3 OCH 3
C.
CH 3 CH 2 NH 2
D.
CH 3 COOH
查看完整题目与答案
【单选题】下列药物中没有无不具有平喘作用的药物是
A.
沙丁醇胺
B.
可待因
C.
异丙肾上腺素
D.
氨茶碱
查看完整题目与答案
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