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【简答题】
( 绪论 难 ) 在模型的经济意义检验中,包括检验下面的哪几项 A 、参数估计量的符号 B 、参数估计量的大小 C 、参数估计量的相互关系 D 、参数估计量的显著性 E 、随机干扰项检验 A.B.C.D.E. E
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举一反三
【单选题】It can be inferred that trade barriers should be removed in order to ______.
A.
earn more money
B.
make the markets more organized
C.
ensure poorer countries' engagement
D.
activate the trans-Atlantic trade
【单选题】In order to earn money for his family, it is necessary for him to get a job.
A.
it is necessary to get a job
B.
it is necessary to find a job
C.
he must get a job
D.
a job must be found
【单选题】“ Although ,” the boy said , “ _______ over and over , the maths problem remained confusing to me ” .
A.
explained
B.
explain
C.
explaining
D.
having explained
【判断题】抗原呈递细胞又称免疫辅佐细胞,是指参与免疫应答,能捕获、加工、处理抗原,形成抗原肽分子复合物,并将抗原肽呈递给淋巴细胞,激发淋巴细胞活化、增殖的一类免疫细胞。
A.
正确
B.
错误
【单选题】According to the passage, in the job market, workers born after 1980______.
A.
earn much more than their predecessors
B.
have been affected by the economic downturn
C.
gain a competitive edge with good education
D.
are undoubtedly ideal workers for the economy
【单选题】It was not until 2010, _______his son took over the company, _______ the crisis was dealt with.
A.
when; that
B.
that; that
C.
that; where
D.
when; where
【简答题】Fearcame over me when I started to fall in love. (Para. 3, L4)
【单选题】It was your recommendation enabled me to be an engineer in this world –famous company
A.
when
B.
who
C.
what
D.
that
【单选题】He thought _____ and then gave me the answer. [ ]
A.
it over
B.
over it
C.
them about
D.
over them
【单选题】The two American created the Orchestra in order to______.
A.
earn money
B.
protect elephants
C.
enjoy themselves
D.
none of the above
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