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【单选题】
羊毛纤维的主要成分是( )。A.
半纤维素
B.
纤维素
C.
果胶
D.
天然蛋白质纤维
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【单选题】The southern part of the Pacific coast in California has a ______ climate.
A.
subtropical
B.
continental desert
C.
maritime
D.
Mediterranean
【简答题】(2-1)Java 语言采用( )字符集,该字符集的每个字符占( )字节。
【单选题】下列选项中（ ）可能是在二叉排序树中查找35时所比较的关键字序列。
A.
2,25,40,39,53,34,35
B.
25,39,2,40,53,34,35
C.
53,40,2,25,34,39,35
D.
39,25,40,53,34,2,35
【单选题】California has more light than it knows ______ to do with but everything else is expensive.
A.
how
B.
what
C.
which
D.
where
【单选题】Which of the following statements is Not true according to the passage?
A.
California has abolished death penalty because it fmls to find proper execution means．
B.
The execution of death penalties has dropped below 100 since 1999．
C.
Americans are no longer die—hard fans of death penalty．
D.
There is an economic consideration behind the trend of repealing death penalty．
【单选题】下列关于 K sp θ 的叙述正确的是
A.
K sp θ 可由热力学关系得到，因此是热力学平衡常数。
B.
K sp θ 仅表示难溶强电解质在水溶液中达到沉淀溶解平衡时溶液中离子浓度的幂次乘积。
C.
K sp θ 只与难溶电解质的本性有关，而与外界条件无关。
D.
K sp θ 愈大，难溶电解质的溶解度愈大。
【单选题】听力原文： A federal court in the United States has ruled a law passed in California, denying education, health and welfare benefits to undocumented immigrants as unconstitutional. The judge, Mary Young Le...
A.
The law has provoked nationwide controversy.
B.
The law has been declared to be against the constitution.
C.
The law has been approved by a federal court in terms of the constitution.
D.
The law has been enforced by the federal court.
【单选题】According to the passage, California has the highest rate of returning prisoners because
A.
the prisons in California are too crowded.
B.
the prisons failed to rehabilitate the prisoners.
C.
the prisoners can sleep in the gymnasiums and classrooms.
D.
the prisoners are released after only three years of imprisonment.
【单选题】The University of California, with several branch campuses, has more than () students.
A.
128 000
B.
129 000
C.
126 000
D.
127000
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