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【单选题】
A lot of men were killed during the fierce battles of the American Civil War.A.
peaceful
B.
violent
C.
ugly
D.
fruitful
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【简答题】The EU Commission President said in Vienna,
“We will become a 1 with the euro.
We shall become 2, 3.”
【简答题】设A，B∈Cn×n，x∈Cn，证明： (1)∣Ax∣≤∣A∣∣x∣； (2)∣AB∣≤∣A∣∣B∣； (3)若0≤A≤B，则0≤An≤Bm(m为)．
【单选题】设集合M={x∣-1≤x<2}，N={x∣x≤1}集合M∩N=（）。< /div>
A.
{x∣-1≤x≤1}
B.
{x∣x>-1}
C.
{x∣1≤x≤2}
D.
{x∣x>1}
【单选题】We will pay the commission _____ to you by the end of this month.
A.
due
B.
suitable
C.
forward
D.
regard
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