The phrase "coincided with" in the first sentence of Para. 2 is closest in meaning to ______.A) was influenced byB) happened at the same time asC) began to grow rapidlyD) ensured the success of

题目

The phrase "coincided with" in the first sentence of Para. 2 is closest in meaning to ______.

A) was influenced by

B) happened at the same time as

C) began to grow rapidly

D) ensured the success of

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1.Examine the structure of the EMPLOYEES table:Column name Data type RemarksEMPLOYEE_ID NUMBER NOT NULL, Primary KeyLAST_NAME VARCNAR2(30)FIRST_NAME VARCNAR2(30)JOB_ID NUMBERSAL NUMBERMGR_ID NUMBER References EMPLOYEE_ID column DEPARTMENT_ID NUMBERYou need to create an index called NAME_IDX on the first name and last name fields of the EMPLOYEES table. Which SQL statement would you use to perform this task? （）A. CREATE INDEX NAME _IDX (first_name, last_name);B. CREATE INDEX NAME _IDX (first_name, AND last_name)C. CREATE INDEX NAME_IDX ON (First_name, last_name);D. CREATE INDEX NAME_IDX ON employees (First_name, AND last_name);E. CREATE INDEX NAME_IDX ON employees (First_name, last_name);F. CREATE INDEX NAME_IDX FOR employees (First_name, last_name);

2.There is a__________of impatience in the tone of his voice.A.dot B.hint C.notion D.phrase

3.Which of the following is most suitable for the cultivation of linguistic competence? A．Sentence-making. B．Cue-card dialogue. C．Simulated dialogue. D．Learning syntax.

4.阅读下列说明和C代码，回答问题 1 至问题 3，将解答写在答题纸的对应栏内。【说明】假币问题：有n枚硬币，其中有一枚是假币，己知假币的重量较轻。现只有一个天平，要求用尽量少的比较次数找出这枚假币。【分析问题】将n枚硬币分成相等的两部分: (1)当n为偶数时，将前后两部分，即 1...n/2和n/2+1...0，放在天平的两端，较轻的一端里有假币，继续在较轻的这部分硬币中用同样的方法找出假币: (2)当n为奇数时，将前后两部分，即1..(n -1)/2和(n+1)/2+1...0，放在天平的两端，较轻的一端里有假币，继续在较轻的这部分硬币中用同样的方法找出假币；若两端重量相等，则中间的硬币，即第 (n+1)/2枚硬币是假币。【C代码】下面是算法的C语言实现，其中: coins[]：硬币数组 first，last：当前考虑的硬币数组中的第一个和最后一个下标 include <stdio.h> int getCounterfeitCoin(int coins[]， int first，int last) { int firstSum = 0，lastSum = 0; int ì; If(first==last-1){ /*只剩两枚硬币*/ if(coins[first] < coins[last]) return first; return last; } if((last - first + 1) % 2 ==0){ /*偶数枚硬币*/ for(i = first;i <( 1 );i++){ firstSum+= coins[i]; } for(i=first + (last-first) / 2 + 1;i < last +1;i++){ lastSum += coins[i]; } if( 2 ){ Return getCounterfeitCoin(coins,first,first+(last-first)/2;) }else{ Return getCounterfeitCoin(coins,first+(last-first)/2+1,last;) } } else{ /*奇数枚硬币*/ For(i=first;i<first+(last-first)/2;i++){ firstSum+=coins[i]; } For(i=first+(last-first)/2+1;i<last+1;i++){ lastSum+=coins[i]; } If(firstSum<lastSum){ return getCounterfeitCoin(coins,first,first+(last-first)/2-1); }else if(firstSum>lastSum){ return getCounterfeitCoin(coins,first+(last-first)/2-1,last); }else{ Return( 3 ) } } }【问题一】根据题干说明，填充C代码中的空（1）-（3）【问题二】根据题干说明和C代码，算法采用了（）设计策略。函数getCounterfeitCoin的时间复杂度为（）（用O表示）。【问题三】若输入的硬币数为30，则最少的比较次数为（），最多的比较次数为（）。

参考答案和解析

正确答案：B
答案：B
[试题分析] 词义判断题。
[详细解答] 根据上下文，因为词组前面是表时间的短语，应意为at the same time as符合文意。因此，答案为B。

The phrase "coincided with" in the first sentence of Para. 2 is closest in meaning to ______.A) was influenced byB) happened at the same time asC) began to grow rapidlyD) ensured the success of

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