in the 1920s, and Alexander Fleming& learned
and Alexander Fleming learned, in the& 1920s,
in the 1920s, when Alexander Fleming& learned
from Alexander Fleming, who learned in& the 1920s
since Alexander Fleming learned in the& 1920s
第1题：
A.Mark Twain published his last and most important novel.
B.F.Scott Fitzgerald received the Nobel Prize.
C.Freudian psychology influenced many modern writers.
D.Most writers were politically radical.
第2题：
Before 1920s, the American women were ______ the right to vote in a large extent.
A、deprived of
B、depriving of
C、persuade of
D、persuading of
第3题：
首先发现结核分枝杆菌的是A.Leeuwenhock
B.Koch
C.Pasteur
D.Jenner
E.Fleming
首先发现青霉素的是A.Leeuwenhock
B.Koch
C.Pasteur
D.Jenner
E.Fleming
首先研制牛痘苗用于预防天花的是A.Leeuwenhock
B.Koch
C.Pasteur
D.Jenner
E.Fleming
请帮忙给出每个问题的正确答案和分析，谢谢！
第4题：
From the 1860s to the 1920s,the Republican Party dominated the political scene and from the 1930s to the 1970s（）was in power most of the time.
Athe Democratic Party
Bthe Republican Party
Cno party
DNone of the above.
第5题：
第6题：
A、a telephone
B、telephone
C、telephones
D、the telephone
第7题：
第8题：
films made in the 1920s have the following characteristics except___________ .
A. democratic optimism
B. sensuality
C. rampant materialism
D. cynicism
第9题：
The serious economic crisis in the late 1920s and 1930s first brought about by（）
Abank failures
Bserious unemployment
Cfarm foreclosures
Dthe stock market crash
第10题：
One of the serious weaknesses in American economy in the 1920s was（）
Auncontrolled speculation in the stock market
Btariff protection
Chuge profits of big businesses
Dtoo much control over the banking system