科研论文评价的原则()A、公正性原则 B、准定量原则 C、创新性原则 D、可比性原则

题型:多项选择题

问题:

科研论文评价的原则()

A、公正性原则

B、准定量原则

C、创新性原则

D、可比性原则

考点:教育学科研方法与论文写作科研方法与论文写作题库
题型:多项选择题
看一看,选一选。
 It's ______(windy/sunny) in Hangzhou.
  It's ______(cloudy/snowy) in Harbin.
I can see three _______(potatoes/tomatoes).
I want seven _______(carrots/carrot).
 I can see a _______(cat/rabbit).
题型:多项选择题

某车间有660名工人,生产某种由一个螺栓两个螺母构成的配套产品,每人每天平均生产螺栓14个或螺母20个,应安排多少人生产螺栓,多少人生产螺母,才能使生产出的螺栓和螺母刚好配套?

题型:多项选择题
Katie Spotz is a 22-year-old girl form America. She wants to cross the Atlantic Ocean by boat. If she succeeds, she’ll be the youngest and the first American to finish the 2500-mile trip.
Spotz began sailing when she was at university, but she has never tried to sail such a long way before. It will be a great challenge for her. In recent years, she has swum all the way down the 325-mile Allegheny River and traveled by bike form Seattle to Washington.
Spotz knows that she may see some dangerous things during the trip. It will be very dangerous if she meets very bad weather in the middle of the sea. But she believes that she can deal with all the difficulties.
“I never thought I could run 26 miles,” she said. “But once I finished it, I realized that maybe I could do something even more difficult.”
Spotz wants to collect money by going on this trip. She wants to collect money for an organization called “Blue Planet run”. The organization offers free, safe drinking water to people who need it.
It’ll take her about three months to finish this trip. Good luck to this brave girl and best wishes to her!
The age of Spotz
小题1:______ years old
The distance of the trip
小题2:______ miles
A dangerous thing during the trip is
the 小题3:______ weather
The purpose of the trip
to collect小题4:____for an organization
The trip will take
About 小题5:______months .
题型:多项选择题

下表中所列的是12月22日甲、乙、丙、丁四地的白昼时间,根据表中数据回答题。

小题1:.四地中属于南半球的是

A.甲地

B.乙地

C.丙地

D.丁地小题2:.四地所处纬度从高到低顺序排列的是

A.甲乙丙丁

B.甲乙丁丙

C.丙丁乙甲

D.丁丙乙甲小题3:.造成四地白昼时间差异的主要因素是

①地球的公转 ②地球的自转 ③黄赤交角的存在 ④地方时的不同

A.①②

B.②③

C.③④

D.①③小题4:.我国浙江省的温岭县是大陆上最早迎来新年第一缕曙光的地方。该地区第一道曙光的时间可能出现在

A.5∶35 

B.6∶32

C.4∶50

D.5∶43

题型:多项选择题

水力压裂可以提高油气井的()。

A.液量

B.产量

C.效率

D.压力

更多题库