Never waste anything, but___never waste time.
A. after all
B. all in all
C. above all
D. all over
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Generally speaking,a business letter should be written in the formal style __________in apersonal one.
A. rather than
B. other than
C. less than
D. more than
I have to see the doctor because I_____a lot lately.
A. have been coughing
B. had coughed
C. coughed
D. cough
PHP中实现文件上传功能,要在php.ini配置文件中开启哪项功能?
A. display_error=on
B. error_reporting=off
C. file_uploads=on
D. short_open_tag=on
下列哪些属于PHP的数据类型?
A. string
B. int
C. boolean
D. object