[填空题]We have gained a large ______ (grow) of light industry during these years.

[填空题]We have gained a large ______ (grow) of light industry during these years.

[单项选择]

All we have a clock located inside our brains. Similar to your bedside alarm clock, your internal clock runs on a 24-hour cycle. This cycle, called a circadian rhythm, helps control when you wake, when you eat and when you sleep.
Somewhere around puberty, something happens in the timing of the biological clock. The clock pushes forward, so adolescents and teenagers are unable to fall asleep as early as they used to. When your mother tells you it’s time for bed, your body may be pushing you to stay up for several hours more. And the light coming from your computer screen or TV could be pushing you to stay up even later.
This shift is natural for teenagers. But staying up very late and sleeping late can get your body’s clock out of sync with the cycle of light and dark. It can also make it hard to get out of bed in the morning and may bring other problems, too. Teenagers are put
A. it has a cycle of 24 hours
B. it controls when we wake, when we eat and when we sleep
C. it can alarm any time during 24 hours
D. it is a cycle also called circadian rhythm

[填空题]There has been a large (grow) ______ of light industries in shanghai during these years.

[简答题]We have done things we ought not to have done and ____________(应该做的事情却没有做).

[单项选择]We have done things we ought to have undone and （） undone things we ought to have done.
A. leaving
B. left
C. will leave
D. leave

[填空题]We have chosen what we believe to be the five most spectacular natural wonders--those that are the biggest, longest or most impressive of their kind. These natural wonders inspire awe(敬畏) in everyone who views them.
Mt. Everest
Mt. Everest, which is located at the border between China and Nepal, is the world’s highest mountain. It measures 29.035 feet. And the mountain is still growing! Geological forces push it up a few millimeters each year.
Grand Canyon
Visitors to the Grand Canyon of the Colorado River in Arizona admire its breathtaking colors, rock formations and cliffs. No picture can adequately capture its beauty. The canyon is 277 miles long and from 4 to 18 miles wide.
Great Barrier Reef
The Great Barrier Reef extends 1,200 miles along Australia’s northeast coast through the Coral Sea. It is the largest coral formation in the world and is visible from space! Actually, it is not one reef but a chain of thousands.