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【多选题】
中美贸易失衡根源( )A.
一定程度的贸易逆差是美元作为全球储备货币的必要条件
B.
中美贸易逆差是两国经济结构互补及美维持比较优势的产物
C.
从全球价值链和分工的必然结果
D.
中国对美国的货物贸易顺差被高估了，且美国对华还有1000多亿美元的服务贸易顺差
E.
美国限制高新技术产品对华出口
F.
美国长期的低储蓄率，过度消费。
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举一反三
【单选题】“ 运河水,荡悠悠,隋炀皇帝下扬州。一心只把琼花看,万里江山一旦丢。 ” 隋炀帝乘龙舟从洛阳巡游到扬州,要经过大运河的( ) 1 通济渠 2 永济渠 3 邗沟 4 江南河
A.
①③④
B.
②③④
C.
①③
D.
①④
【简答题】已知变量 x 的值为 3 ,选项中()会打印 4A. Console.Write(x++); B. Console.Write(++x); C. x++; Console.Write(x); D. ++x; Console.Write(x);
【简答题】In an ecosystem environment what is the role of the ecossytem orchestrator?
【单选题】What is the role of the SRY gene in humans?
A.
It initiates the X inactivation process in females.
B.
It is located on the X chromosome and causes the X to pair with the Y chromosome during male meiosis.
C.
It is located on the Y chromosome and initiates the developmental pathway toward the male phenotype.
D.
It is located on an autosomal chromosome and represses expression of autosomal genes in order to balance their expression level with genes on the X chromosome.
【单选题】已知变量 x 的值为 3 ,选项中( )不会打印4?
A.
Console.Write(x++);
B.
Console.Write(++x);
C.
x++; Console.Write(x);
D.
++x; Console.Write(x);
【单选题】“运河水,荡悠悠,隋炀皇帝下扬州。一心只把琼花看,万里江山一旦丢。”隋炀帝乘“龙舟”从洛阳巡游到扬州,要经过大运河的哪几段( ) 1通济渠 2永济渠 3邗沟 4江南河
A.
①③④
B.
②③④
C.
①③
D.
①④
【单选题】What is the role of an elevator pitch?
A.
A great way to promote your business.
B.
To increase your confidence.
C.
To make it easier for you to interact with other attendees.
D.
All of the above.
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