题目内容（请给出正确答案）

[多选题]

从交易价格的决定特点划分，证券交易机制可分为()

A.定期交易系统

B.指令驱动系统

C.报价驱动系统

D.连续交易系统

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更多“从交易价格的决定特点划分，证券交易机制可分为（)A．定期交易…”相关的问题

第1题

下列说法正确的是：（单选） Which of the following statements is correct？（There is only one correct answer）

A、空串就是空白串“Empty string” is blank string.

B、空串是任意字符串的子串 Empty string is a substring of arbitrary string.

C、串只可以采用顺序存储，不可以采用链式存储 String only can be stored in sequential method and cannot be stored in linked method.

D、在C++标准中，char S[M]最多能表示长度为M的字符串 In C ++ standards, char S[M] can represent up to a string of length M.

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第2题

Relative measurement method is used when measuring length with percentile meter.（）

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第3题

The payback method focuses on the payback period, which is the length of time that it takes for a project to recoup its initial cost out of the cash receipts that it generates.

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第4题

以下代码输出的结果是：（）。 var length = 20; function fn（) { console.log（this.length); } var obj = { length: 10, method: function（fn) { fn（); arguments[0]（); } }; obj.method（fn, 1,"aa");

A．20,10

B．10,3

C．20,3

D．以上都不正确

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第5题

is a one-way function that takes an arbitrarily long piece of plaintext and from it co

mputes a fixed,length bit string.(67)is a protocol that most USENET machines now use it to allow news articles to propagate from one machine to another over a reliable connection.(68)is an approach preferred by cable TV providers. In this solution the fiber terminates at an opt~electrical converter and the final segment is a shared coaxial cable.(69)is a device used to connect two separate network that use different communication protocol.(70)is a digital-to-digital polar encoding method in which the signal level is always either positive or negative.

A．MD

B．RSA

C．DES

D．MIB

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第6题

By 1727, no fewer than 14 types of submarines had been patented in England alone. In 1747

an ______ inventor proposed an ingenious method of submerging and returning to the surface. (identify)

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第7题

The best method to stop a vessel from dragging anchor in a sand bottom is to ______.A.redu

The best method to stop a vessel from dragging anchor in a sand bottom is to ______.

A.reduce the length of the cable

B.pay out more anchor cable

C.back the engines

D.swing the rudder several times to work the anchor into the bottom

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第8题

You are developing an application that connects to a Microsoft SQL Server database using t

he SqlConnection object. Your connection objects are being pooled. As the pool fills up, connection requests are queued. Some connection requests are rejected. You need to ensure that the application releases connections back to the pool as soon as possible. Also, you need to decrease the likelihood that connection requests will be rejected.Which three actions should you perform？（）

A. Ensure that the Close method is called on each connection object after it has finished executing.

B. Ensure that each connection object is left open after it has finished executing.

C. Increase the Max Pool Size value inside the connection string.

D. Increase the Min Pool Size value inside the connection string.

E. Increase the Connection Lifetime value inside the connection string.

F. Increase the value of the ConnectionTimeout property of the SqlConnection object.

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第9题

The difference in water spray pattern between the high-velocity tip and low-velocity appli

cator used with the all-purpose nozzle is due to ______.

A.a difference in water pressure

B.the method of breaking up the water stream