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【简答题】
We failed to __________ her of her shortcomings. 2. Everyone has his problem to ________. 3. Air pollution has become a ________ threat. 4. I have no money to ________ into his company. 5. I think many resources on the earth are not __________ . 6. This is produced for domestic ____________. 7. The population in this country will ________ sharply. 8. The ________ may be over 2 million years old. 9. ________ enriches the soil. 10. This kind of fruit is a _________ between plum and apricot.
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举一反三
【单选题】定义 JavaScript 数组的正确方法是?
A.
var txt = new Array="George","John","Thomas"
B.
var txt = new Array(1:"George",2:"John",3:"Thom
C.
var txt = new Array("George","John","Thomas")
D.
var txt = new Array:1=("George")2=("John")3=("Thomas")
【单选题】在下列功能中,哪一项最好地描述了OSI(开放系统互连)参考模型的数据链路层
A.
保证数据正确的顺序、无错和完整
B.
处理信号通过介质的传输
C.
提供用户与网络的接口
D.
控制报文通过网络的路由选择
【单选题】定义JavaScript数组的正确方法是？
A.
var txt = new Array="tim","kim","jim"
B.
var txt = new Array("tim","kim","jim")
C.
var txt = new Array(1:"tim",2:"kim",3:"jim")
D.
var txt = new Array:1=("tim")2=("kim")3=("jim")
【单选题】下列功能中,( )最好地描述了OSI参考模型中数据链路层的特点。
A.
保证数据正确的顺序，无错和完整
B.
处理信号通过介质的传输
C.
提供用户与网络的接口
D.
控制报文通过网络的路由选择
【单选题】在下列功能中，______最好地描述了OSI(开放系统互连)参考模型的数据链路层。
A.
保证数据正确的顺序、无错和完整
B.
处理信号通过介质的传输
C.
提供用户与网络的接口
D.
控制报文通过网络的路由选择
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