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【单选题】
Sales growth at Medico plc is 1.8% this year, compared to an earlier forecast of 2.5%. Question: The company’s sales growth for this year is
A.
lower than expected.
B.
the same as expected.
C.
higher than expected.
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参考答案:
举一反三
【单选题】若( x 2 -2x+3) n =a 2n x 2n +a 2n-1 x 2n-1 +…+a 1 x+a 0 ,则a 2n +a 2n-2 +…+a 4 +a 2 +a 0 =(  )
A.
2 n
B.
3 n
C.
1 2 (6 n +2 n )
D.
1 2 (6 n -2 n )
【简答题】计算:(-x) 3 ?x 2n-1 +x 2n ?(-x) 2 =______.
【简答题】给出下列代码的输出结果: public class E{ public static void main(String args[]){ System.out.println((int)'a'); } }
【简答题】已知:(x 3n-2 ) 2 x 2n+4 ÷x n =x 2n-5 ,则n=______.
【简答题】给出下列代码的输出结果 print('3.5 + 2 * 2 / 3+4 is:') print(3+5-4/4+3)
【单选题】●In general,atypical (71) model is composed of several phases, such as requirements analysis phase, generaUdetailed design phase, implementation phase, system acceptance testing phase. (71)
A.
waterfall
B.
incremental
C.
spiral
D.
prototyping
【单选题】The general material DNA contains coded information for the synthesis of proteins.
A.
analysis
B.
formation
C.
absorption
D.
functioning
【简答题】设(1+x+x 2 ) n =a 0 +a 1 x+a 2 x 2 +a 3 x 3 +…+a 2n x 2n ,则a 0 +a 2 +a 4 +…+a 2n =______.
【单选题】若X~x2(n),则E(X2)=( )。
A.
372
B.
2n
C.
n2+2n
D.
n2+n
【单选题】王国维在《人间词话?二六》中描述了古今成大事业、大学问者必须经过的三种境界,因为文学艺术创造更注重于“情”或“真、善、美”,而科学技术创造注重的是“理”或“真”。所以在王国维的描述中,没有相当于沃勒斯“阶段论”中的( )。
A.
准备阶段
B.
.酝酿阶段
C.
.顿悟阶段
D.
.验证阶段
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