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【简答题】
汽车防碰撞系统是根据反射波的原理工作的,在后保险杠上涂漆的区域装有_________个超声波传感器,传感器______________________________超声波。
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【单选题】变量$email的值是字符串user@example.com,以下哪项能把字符串转化成example.com?
A.
substr($email, strpos($email, "@"));
B.
strstr($email, "@");
C.
strchr($email, "@");
D.
substr($email, strpos($email, "@")+1);
E.
strrpos($email, "@");
【单选题】变量$email的值是字符串user@example.com,以下哪项能把字符串转化成 example.com
A.
substr($email, "@");
B.
strtok($email,“@”);
C.
$b=strtok($email,"@"); $i=strlen($b); $c=substr($email,$i+1);
D.
str_replace("@","",$email);
【单选题】变量$email的值是字符串user@example.com，以下哪项能把字符串转化成example.com?
A.
substr($email, strpos($email, “@”))
B.
strstr($email, “@”)
C.
strchr($email, “@”)
D.
substr($email, strpos($email, “@”)+1);
【单选题】变量$email的值是字符串user@example.com,以下选项()能把字符串转化成example.com。
A.
substr($email, strpos($email, "@"));
B.
strstr($email, "@");
C.
strchr($email, "@");
D.
substr($email, strpos($email, "@")+1);
【简答题】阅读下面一则广告，按照要求完成写作任务。 EIL International English Summer Camp Volunteer Wanted EIL was founded in Britain in 1936 with the fundamental aim of international understanding “Learn to live together by ...
【简答题】阅读下面一则广告，按照要求完成写作任务。 ETL International English Summer Camp Volunteer Wanted EIL was founded in Britain in 1936 with the fundamental aim of international understanding“Learn to live together by living ...
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