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【简答题】
preg_replace(规则,替换字符串,原字符串); 该函数将原字符串中和规则匹配的字符替换成替换字符串。 举例:将字符串$k1中的空格替换成-。 $k1="He is a good boy!"; $k2=preg_replace('______','-',_______); echo "原字符串为:".$k1."
"; echo "替换后的字符串为:".$k2."
"; 程序的运行结果为: _________________________________ ________________________________
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【单选题】体温持续在 39--40 °C 以上,数天或数周, 24 小时以内波动范围不超过 1 °C ,称之为
A.
弛张热
B.
间歇热
C.
回归热
D.
稽留热
E.
波状热
【单选题】That many subjects taught at British colleges are useless is mainly owing to ______.
A.
their falling short of the demands of economy
B.
their validity as a discipline being untestified
C.
their failure to meet the standards of university instruction
D.
their inability to arouse the interest of students
【单选题】We can learn from the first paragraph that parents and grandparents
A.
used to give out their assets at death.
B.
no longer pass on their wealth to their offspring.
C.
don't care how their money is spent at all.
D.
would not give their offspring financial help.
【单选题】If you have unsupportive teachers, it is important ,first of all, to ______.
A.
correct their negative image of you
B.
change to another school and find supportive teachers
C.
ask them to point out your shortcomings .....
D.
give it due attention and find a correct picture of you
【单选题】______ new employee feels insecure during ______ first few weeks on the job.
A.
Many ...their
B.
Many...his or her
C.
Many a ...their
D.
Many a...his or her
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