皮皮学，免费搜题
登录
搜题
【多选题】
消防水泵接合器是供消防车向消防给水管网输送消防用水的预留接口，其位置设在距室外消火栓或消防水池( )m处是合理的。A.
20
B.
30
C.
40
D.
50
E.
60
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】The date of ______ will be deemed to be the date of shipment unless the transport document contains a reception stamp in which case the date of the reception stamp will be deemed to be the date of shi...
【单选题】Which of the following Date class constructors creates a Date object that contains the current date and time from the local computer?
A.
Date()
B.
Date(milliseconds)
C.
Date(date_string)
D.
Date(year, month[, date, hours, minutes, seconds, milliseconds])
【单选题】John plays basketball well, _____his favorite sport is badminton. 21
A.
so
B.
or
C.
yet
D.
for 21
【多选题】Examine the description of the STUDENTS table: STD_ID NUMBER(4) COURSE_ID VARCHARD2(10) START_DATE DATE END_DATE DATE Which two aggregate functions are valid on the START_DATE column?（）
A.
SUM(start_date)
B.
AVG(start_date)
C.
COUNT(start_date)
D.
AVG(start_date, end_date)
E.
MIN(start_date)
F.
MAXIMUM(start_date)
【多选题】Examine the description of the STUDENTS table: STD_ID NUMBER(4) COURSE_ID VARCHAR2(10) START_DATE DATE END_DATE DATE Which two aggregate functions are valid on the START_DATE column? （）
A.
SUM(start_date)
B.
AVG(start_date)
C.
COUNT(start_date)
D.
AVG(start_date, end_date)
E.
MIN(start_date)
F.
MAXIMUM(start_date)
【简答题】具有中枢降压作用的药物是
【单选题】下面程序的运行结果是( )。 #define _CRT_SECURE_NO_WARNINGS #include #include int main() { enum weekday { SUM , MON , TUE , WED , THU , FRI , SAT }; enum weekday date1, date2, date3; date1 = SAT ; date2 = WED ; da...
A.
date1=6,date2=3,date3=0
B.
date1=2,date3=3,date3=6
C.
date1=6,date2=0,date3=3
D.
date1=3,date2=3,date3=6
相关题目：