皮皮学，免费搜题
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【单选题】
国际经济学的主题不包括( )A.
多少贸易
B.
汇率决定
C.
价格决定
D.
国际政策协调
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】Some people want to slow down the rate of progress, ______(但谁也不能阻止时代的前进).
【单选题】Why do some people want to save the first McDonald’s?
A.
Because they have good memories of that old McDonald’s.
B.
Because they want to use it to make money.
【简答题】文房四宝是哪四样东西?
【单选题】Some people want to go hunting, ______ others want to gofinishing.
A.
or
B.
because
C.
while
D.
since
【简答题】用有限字长的系数实现数字滤波器时，不可能任意精确地定出滤波器的极点和零点位置。一种可能的补偿办法是以系数的平均值当作要用的系数值，随后在它上面引入随机抖动。 研究题图3-5所示的数字全通网结实现方案．图中是k 2 =-1/k 1 。假定整个题中没有算法舍入噪声，唯一的噪声是系数随机抖动产生的噪声。希望系数k 1 的平均值是1/π，系数k 2 的平均值是-α。每一个系数都用原码表示，选择字长使系数的...
【单选题】"A rose is a rose is a rose is a rose" is _____'s famous quote.
A.
Ernest Hemingway
B.
Willa Cather
C.
Edith Wharton
D.
Gertrude Stein
【单选题】Some people want to keep up with the Joneses because they ______.
A.
want to be as rich as their neighbours
B.
want others to know or to think that they are rich
C.
don’t want others to know they are rich
D.
want to be happy
【单选题】Dixie Rose Makes Another Stride in Recovery The St. Louis Derby winner Dixie Rose had the cast changed on his broken hind leg, his veterinarian said yesterday, and the plates and screws that were inse...
A.
He won the St. Louis Derby.
B.
He won three of his last four races.
C.
He was unable to start the Holloway Stakes.
D.
He was not expected to win the Holloway Stakes.
【单选题】Little about her own safety, though she was in great er herself.
A.
did Rose care
B.
Rose did care
C.
Rose does care
D.
does Rose care
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