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【单选题】
发明接种牛痘预防天花的科学家是A.
Antonie van Leeuwenhoek
B.
Edward Jenner
C.
Louis Pasteur
D.
Robert Koch
E.
Alexander Fleming
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举一反三
【单选题】. With their son ______ a foreign college now, the parents have some financial problems now and then.
A.
to attend
B.
attending
C.
attended
D.
having attended
【单选题】College loans are now much harder to obtain. _________, most college students must work at least part time.
A.
Furthermore
B.
Similarly
C.
Consequently
D.
However
【单选题】小明从不和小伙伴玩,上学也是自己一个人独来独往。后来老师只要发现他有与同学交往的表现,就鼓励表扬。就这样坚持了一个学期,小明与同学关系变得很融洽,这里老师用了( )法。
A.
代币奖励
B.
示范
C.
行为塑造
D.
惩罚
【单选题】小明从不和小伙伴玩,上学也是自己一个人独来独往。后来老师只要发现他有与同学交往的表现,就鼓励表扬,坚持了一个学期,小明改变了原来的行为,与同学关系很融洽,这里老师用了( )法。
A.
代币奖励
B.
示范
C.
行为塑造
D.
惩罚
【单选题】Most college students think it ___ suitable jobs now.
A.
difficulty in finding
B.
difficult in finding
C.
difficulty to find
D.
difficult to find
【简答题】People used to regard college life as the most carefree days, but now depression, anxiety and even suicide are creeping onto campus. How should college students react to this change? Write an essay of...
【单选题】When I was at college , I _____ two foreign languages but I _____ most now ..
A.
learnt; had forgotten
B.
learnt ; have forgotten
C.
have learnt ; forgot D have learnt ; have forgotten
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