the transformation of these valleys and plains
the use of these valleys’ soil and water
the timing of flood seasons
the calendar
第1题：
According to ELF, all of the following are environmentally harmful except_____.
［A］ causing fire in the houses ［B］ expanding ski resort ［C］ doing research on animals ［D］ invading into animal habitats
第2题：
You manage 40 computers that run Microsoft Windows Vista. You use Microsoft Windows Calendar to publish a calendar to a shared network location. You need to allow users to automatically view the most recent calendar updates. What should you do？ （）
第3题：
A.dairying
B.raising animals
C.apple growing
D.potato growing
第4题：
heart disease
car accidents
skin problems
poor concentration
第5题：
fishing
hunting
swimming
singing
第6题：
第7题：
High frequency pulses
Combinations of high and low frequency pulses
The same frequency for all stations in a chain
Varied long and short pulses
第8题：
According to the navigation rules, all of the following are engaged in fishing except a vessel ______.
A.Setting nets
B.Trawling
C.Using a dredging net
D.Trolling
第9题：
lack of insulin
accumulation of sugar energy
brain damages
disorder in the immune system
第10题：
metacentric height
mean draft
moment to trim one inch
deadweight