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【单选题】
--What do you think of maths? --My favorite. It’s ______ for me to study of all the subjects in school.A.
more difficult
B.
the most difficult
C.
less difficult
D.
the least difficult
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反馈参考答案：
举一反三
【单选题】已知int a，b；下列switch语句中正确的是（）
A.
switch(a){ case a:a++;break; case b:b++;break;}
B.
switch(a+b){ case 1:a++;break; case 2:b++;break;}
C.
switch(a*b){ case a*b:a++;break; case a/b:b++;break;}
D.
switch(a/10+b){ case a+b:a++;break; case a-b:b++;break;}
【单选题】There _____ great changes in our hometown in the past fifteen years. [ ]
A.
has been
B.
have been
C.
had
D.
were
【单选题】Language has been changing, but such changes are not so obvious at all linguistic aspects except that of______.
A.
phonology
B.
lexicon
C.
syntax
D.
semantics
【单选题】. The reason for all the changes being made _______to us yet.
A.
has not explained
B.
has not been explained
C.
did not explained
D.
were not explained
【单选题】There ________ great changes in Zhangzhou since 2010.
A.
have had
B.
has been
C.
have been
【简答题】目前葡萄球菌对青霉素的耐药性已达( )
【单选题】In the past few years, there _____ great changes in my hometown. [ ]
A.
have been
B.
were
C.
has been
D.
was
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