皮皮学，免费搜题
登录
搜题
【单选题】
组合旅游产生于( )。
A.
20世纪80年代
B.
20世纪70年代
C.
19世纪80年代
D.
19世纪70年代
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
【单选题】Water evaporates or steam condenses at the saturation temperature, which depends upon the pressure, the higher the pressure （） the saturation temperature.
A.
the more
B.
the higher
C.
the lower
D.
the highest
查看完整题目与答案
【单选题】When a sudden increase in steam demand occurs from the boiler, the water level in the drum at the higher pressure will .
A.
rise quickly
B.
rise slowly
C.
drop quickly
D.
drop slowly
查看完整题目与答案
【判断题】凡适箱货物均可采用集装箱运输。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The higher the water turbulence such as wave action, the higher the relative number of:
A.
Planktonic species.
B.
Deposit feeders.
C.
Suspension feeders.
D.
Primary producers.
查看完整题目与答案
【判断题】For dissolved oxygen ( DO), the higher the standard index, the better the water quality.
A.
正确
B.
错误
查看完整题目与答案
【简答题】有分母都是10的真分数、假分数、带分数各一个，而它们相邻两数的大小只相差一个分数单位．这三个分数各是多少？
查看完整题目与答案
【单选题】太阳电池分选机所配空气压缩机正确开机顺序为______。
A.
供气阀-电机开关-电路开关
B.
电机开关-电路开关-供气阀
C.
电路开关-供气阀-电机开关
D.
电路开关-电机开关-供气阀
查看完整题目与答案
【单选题】Mean high water is the average height of ______.
A.
the higher high waters
B.
the lower high waters
C.
the lower of the two daily tides
D.
all high waters
查看完整题目与答案
【单选题】接待计划是组团旅行社委派各地方接待社组织落实旅游团活动的( )安排,是导游人员了解该旅游团基本情况和安排活动日程的主要依据。
A.
组织性
B.
文件性
C.
契约性
D.
主导性
查看完整题目与答案
【单选题】__________________________________ 5 Around 1400 BC (about 3,400 years ago), water clocks were invented in Egypt. The name for a water clock is clepsydra. A water clock was made of two containers of w...
A.
Dividing the day into hours, minutes,and seconds
B.
Using the sun
C.
Dividing the year into months and days
D.
Sundial clocks
E.
Water clocks
F.
Pendulum clocks
查看完整题目与答案
相关题目：
【单选题】Water evaporates or steam condenses at the saturation temperature, which depends upon the pressure, the higher the pressure （） the saturation temperature.
A.
the more
B.
the higher
C.
the lower
D.
the highest
查看完整题目与答案
【单选题】When a sudden increase in steam demand occurs from the boiler, the water level in the drum at the higher pressure will .
A.
rise quickly
B.
rise slowly
C.
drop quickly
D.
drop slowly
查看完整题目与答案
【判断题】凡适箱货物均可采用集装箱运输。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The higher the water turbulence such as wave action, the higher the relative number of:
A.
Planktonic species.
B.
Deposit feeders.
C.
Suspension feeders.
D.
Primary producers.
查看完整题目与答案
【判断题】For dissolved oxygen ( DO), the higher the standard index, the better the water quality.
A.
正确
B.
错误
查看完整题目与答案
【简答题】有分母都是10的真分数、假分数、带分数各一个，而它们相邻两数的大小只相差一个分数单位．这三个分数各是多少？
查看完整题目与答案
【单选题】太阳电池分选机所配空气压缩机正确开机顺序为______。
A.
供气阀-电机开关-电路开关
B.
电机开关-电路开关-供气阀
C.
电路开关-供气阀-电机开关
D.
电路开关-电机开关-供气阀
查看完整题目与答案
【单选题】Mean high water is the average height of ______.
A.
the higher high waters
B.
the lower high waters
C.
the lower of the two daily tides
D.
all high waters
查看完整题目与答案
【单选题】接待计划是组团旅行社委派各地方接待社组织落实旅游团活动的( )安排,是导游人员了解该旅游团基本情况和安排活动日程的主要依据。
A.
组织性
B.
文件性
C.
契约性
D.
主导性
查看完整题目与答案
【单选题】__________________________________ 5 Around 1400 BC (about 3,400 years ago), water clocks were invented in Egypt. The name for a water clock is clepsydra. A water clock was made of two containers of w...
A.
Dividing the day into hours, minutes,and seconds
B.
Using the sun
C.
Dividing the year into months and days
D.
Sundial clocks
E.
Water clocks
F.
Pendulum clocks
查看完整题目与答案