根据汉语或首字母提示填空
【小题1】He is feeling tired，so he is _______ （不确定的）how much further he can walk.
【小题2】We must be good citizens who always _______ （遵守）the rules.
【小题3】If we hadn’t made _______ （足够的）preparations，the sports meeting wouldn’t have been so successful.
【小题4】Mark Twain is one of the most o_______ writers in the 19th century of America.
【小题5】Sometimes _______ （放弃）what you cannot get can make you feel relaxed.
【小题6】To ensure that children in poor areas can receive fair education，the government has planned to _______ （分配）more money to improve the conditions of local schools.
【小题7】Leave him alone；he is in great s_______ because his father was severely ill.
【小题8】With nothing but his own t_______，he made himself rich and famous.

根据汉语或首字母提示填空
【小题1】O__________ is to us what water is to fish.
【小题2】The professor is respected for his wide r____________ of knowledge.
【小题3】You can’t fully ______________（欣赏）foreign literature in translation.
【小题4】Trees are important in that they protect soil, regulate water and a___________ carbon dioxide.
【小题5】Jenny looks thin and weak because she is too p___________ about food.
【小题6】It is reported that so far only 27% of the paper we __________________（消耗）has been recycled.
【小题7】He could not accustom himself to the changeable _______________________（气候）in Britain.
【小题8】To our delight, nowadays more and more people are concerned about environmental _______________（保护）.
【小题9】Something is wrong with the ___________（发动机）, and the car won’t start.
【小题10】Anyone who was found cutting down trees i_____________ would be punished.

用方框里的词填空

【小题1】________the earth, the sun is not a planet but a star made up of hot gases and it gives off heat and light.
【小题2】Many people nowadays work hard, hoping to possess bigger houses and better cars, but _______, they never seem to have time to enjoy them.
【小题3】While we all have the need for others' care and attention, the way we show it ________ person to person.
【小题4】If you want to get in touch with them, you may send e-mails, which is convenient and saves money ________.
【小题5】It's not easy to contact friends when they are far away,_______, they are always on my mind.
【小题6】________teenagers can get their ID cards at 16, many only see themselves as an adult when they are 18.

根据定义写单词
【小题1】a person who travels to space to carry out scientific research ________
【小题2】a spacecraft which is used to travel to space ________
【小题3】a base which is used to do research in outer space ________
【小题4】the act of moving around outside a spacecraft while in space ________
【小题5】equipment used in outer space to protect astronauts and provide oxygen ________

选词填空（可变换形式）

【小题1】When I heard the shocking news，my mind ____________________________.
【小题2】______________, he is not so bad as you might think.
【小题3】In 1979 and again in 1980，thousands of workers had to be_____________ because of the economic crisis.
【小题4】I didn't accept the job because it was badly paid and _____________ that，it wasn't very interesting.
【小题5】Will you apply for the job by letter or________________？
【小题6】In 1963 the UN______________ the World Food Programme，one of whose purposes is to relieve worldwide starvation.
【小题7】You will have to___________________ your studies if you want to pass the exam.
【小题8】The twins were so much alike that it was impossible to ________________ one ____________the other.