题目内容

6.Fill in the blanks with the expressions given below. Change the form where necessary. Each expression can be used only once.1.Melanie got so upset by what Max had said to her that something inside her exploded, and she _____ him and hit him in a rage.2.Barbara left Alice and _____ the crowd to the library to avoid a late fee and renew the books she borrowed two months ago.3.Happiness _____ Mary as she proudly told her parents about her remarkable success in achieving her career goals!4.For people who live in industrialized countries, it is hard to _____ living without electricity and other modern conveniences.5.The car _____ steel to protect the occupants from attacks by angry residents, who were strongly against gambling eing allowed in their community.6.The boys stood at the shore of the river which was filled with water from the melting snow in the mountains, and they were hesitating to ______ the icy water below them.7.I bought a second-hand pocket English-English dictionary; it’s been very useful and cost me _____ .8.It was a hot and humid night; all the soldiers ______ out of sight, waiting for the orders to attack.

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在平二叉树中插入一个结点后造成了不平衡,设低的不平術结点为A,并已知A的左孩子的平因子为1,右孩子的平術因子为0,则应做()型调整以使其平衡。

A. LL
B. LR
C. RL
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下列说法不正确的是?

A. 每个JS对象不一定对应一个原型对象,并从原型对象继承属性和方法
B. 对象的__proto__指向自己构造函数的prototype
C. Object.prototype.__ proto__ === null,说明原型链到Object.prototype终止
D. 表达式 Function.prototype.__proto__.__proto__ === null 的运行结果为true

JavaScript实现继承的方式,不正确的是 ?

A. bind()
B. call()
C. apply()
D. join()

下面哪个不是js中内置的构造函数,也就不是内置对象?

A. Math
B. Date
C. Document
D. Array

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