【正文】 s D．powerful18．As the population ________, the world seems to be smaller.A．increases more B．increase larger C．grows larger D．grows more19．— You see, more and more cows are getting sick. —If the problem is so ________, the farm will be closed from tomorrow on.A．heavy B．popular C．strong D．serious20．It39。s very ________ for teenagers to feel a little bit worried and stressed because most of us have such feelings.A．mon B．strange C．curious D．energetic21．—Have you found that more and more visitors e to our hometown?—You’re right. That’s because we’re now building Huai’an a ________ city！A．live B．lively C．living D．a(chǎn)live22．It’s ________ knowledge that moods can have an influence on our health.A．unusual B．special C．general D．mon23．—I can’t afford the red shoes.—What about the black pair? The price is a little ________.A．cheaper B．lower C．higher D．more expensive24．—What do you think of the new car produced by BYD?—Oh, its improved system gives people a ________ ride even on mountain roads.A．similar B．terrible C．strange D．smooth25．Sadly the number of the tigers is getting ________.A．more and more B．fewer and fewer C．smaller and smaller D．less and less26．— Why do English people talk so often about the weather when starting the talk?—Because the weather is a (an) ________ topic.A．safe B．serious C．a(chǎn)wful D．exciting27．—How was your exam the day before yesterday?—Well, I feel quite good. I made ________ mistakes than before.A．fewer B．the fewest C．less D．the least28．—You haven’t said a ________ word since last Friday. What’s wrong?—Nothing. Just let me alone.A．simple B．single C．similar D．silent29．My English teacher is a___________ lady and she often corrects my pronunciation again and again.A．patient B．creative C．modest D．curious30．—Like so many creative people, he was never ________.—That’s why he has made lots of valuable paintings.A．cheerful B．skillful C．satisfied D．surprised31．—We’re late! It’s already 7:30.—Don’t worry. My clock is 20 minutes ________.A．fast B．late C．slow D．early32．The fruits are ________ because they were picked from the garden just now.A．healthy B．beautiful C．fresh D．natural33．This is the chance he needs to make a ________ start.A．curious B．patient C．fresh D．natural34．— Mr. Green, please feel ________ to let us know if you aren’t satisfied with our service.— OK, I will. It has been good so far.A．real B．ready C．free D．fresh35．David promised to help me with my physics last Sunday. But to my great disappointment, he never appeared that does the word “disappointment” mean in the sentence?A．The feeling of being nervousB．The feeling of being lonelyC．The feeling of being unhappyD．The feeling of being worried36．—How do you feel about the di