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【单选题】
在下列选项中,()是关于生态和生态平衡的错误说法。A.
生态是一个耗散结构
B.
生态平衡是一个动态平衡的过程
C.
生态通过自我调节实现平衡
D.
生态是一个封闭的体系
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举一反三
【单选题】Which people are usually not allowed to use the stacks?
A.
Library employees.
B.
Graduate students.
C.
Undergraduate students.
D.
Professors.
【单选题】( )的主要成就 , 是通过奥列佛由孤儿到窃贼的经历 , 抨击了刚刚通过的英国新济贫法的虚伪 , 暴露了维多利亚“盛世”下骇人听社会罪恶。
A.
《巴纳比 · 拉奇》
B.
《奥列佛•退斯特》
C.
《我们共同的朋友》
D.
《艾德温•德鲁德之谜》
【单选题】Sally thinks that people are usually unhappy at work because
A.
their salaries are too low.
B.
there are too many forms to complete.
C.
there is too much management control.
【单选题】Creative people are usually very determined and ______ overcoming obstacles in their life.
A.
adhered to
B.
thrived on
C.
kept off
D.
took to
【单选题】Old people are usually more __ than young people.
A.
rigorous
B.
primitive
C.
respective
D.
conservative
【判断题】《奥列佛 · 退斯特》的主要成就 , 是通过奥列佛由孤儿到窃贼的经历 , 抨击了刚刚通过的英国新济贫法的虚伪, 暴露了维多利亚“盛世”下骇人听社会罪恶。
A.
正确
B.
错误
【单选题】What kind of people are usually enrolled in the remedial program?
A.
Children who have dropped out of school.
B.
Children whose families cannot afford normal schooling.
C.
Adults who are not satisfied with their partners.
D.
Adults who have got little out of previous education.
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