【简答题】If you are planning on traveling, there are few rules about how to make life easier both before and after your journey.First of all, always check and double-check departure (出发) time. It is sur...

【简答题】Radio, TV, film, and new video technology bring to mind visions of bright, exciting, high-paying careers. Many young people are attracted to wonder: Is there a place for me in the broadcast media fiel...

【单选题】下列哪一条食物链能够成立（　　）

【简答题】完形填空 I have a close friend named Jim Forest.When I first met him eight years ago,he was working with the Catholic Peace Fellowship.Last1 , Jim Forest came to_2_.I usually wash the dishes__3__we've fin...

【单选题】用显微镜观察番茄果肉细胞时，若想将一个细胞的像向左下方移动到视野的中央，则玻片标本应向什么方向移动（　　）

【简答题】Outside her shabby cottage, old Mrs. Tailor was hanging out laundry on a wire line, unaware that some children lay hidden in the leaves of a nearby tree watching her every move. They were determined t...

【单选题】No sooner _____ they rushed out into the street.

【简答题】阅读理解。 If you're like most students, you probably read both at home and outside your home: perhaps somewhereon your schoolyard and maybe even at work during your breaks. Your reading environment can ha...

【简答题】.I’m sorry, but I had no alternative. I simply ______ what I did.a. must do b. had to do c. ought to have done d. have to do

【单选题】下面关于食物链中各种生物之间的关系，叙述正确的是（　　）