单选题Scientists have been struggling to find out the reason behind blushing （脸红）。Why would humans evolve（进化） a ____请作答此空______ that puts us at a social disadvantage by 22__________ us to reveal that we hav
单选题Insomnia, or “poor sleep”, can have bad effects on a persons health and general well-being. It can_____21on both our physical and mental health and can lead to other health_____22. Insomnia can b
单选题Insomnia, or “poor sleep”, can have bad effects on a persons health and general well-being. It can_____21on both our physical and mental health and can lead to other health_____22. Insomnia can b
单选题Harry Potter fans will instantly recognize the snowy owl as Harry’s famous companion.Hedwig，but these beautiful and powerful owls are easily recognizable not for their magical associations，but for the
单选题__________ his telephone number， she didn’t know how to get in touch with him.
单选题If they are willing to lend us the money we need,all our problems will be__
单选题Where do cars get their energy from? For most cars，the answer is petrol.21___________some cars use electricity.These cars have 22 __________motors that get their power from large batteries.In 23 ，ther
单选题选出下面读音不同的选项（）。
单选题In the first semester, I asked my teacher __________.
单选题There is nothing more possible than a new hip or knee that can put the spring back in your step. Patients receiving joint implants （移植） often are able to resume many of the physical activities they lo
单选题Father: Hows your day at school, Costa?Costa: 56, Daddy! Its a day I will never forget.Father:Oh,is it? 57,my son?Costa:I have been made the chairman of the Students Association.Father
单选题根据读音，选择合适的答案（ ）
单选题Where do cars get their energy from? For most cars，the answer is petrol.21___________some cars use electricity.These cars have 22 __________motors that get their power from large batteries.In 23 ，ther
单选题Physical activity through sports can enhance your child’s physical health.Sports can also have a positive effect on his mental health.Sports participation helps children ____21____life skills such as
单选题When I am confronted with such questions, my mind goes __, and I can hardly remember my own date of birth.
单选题Jonathan and Joe left the house to go for__ after supper.
单选题Where do cars get their energy from? For most cars，the answer is petrol.21___________some cars use electricity.These cars have 22 __________motors that get their power from large batteries.In 23 ，ther
单选题Moviegoers know that many special effects are created by computers, they often don' tknow is that these scenes still require a lot of work.
单选题Debate is a valuable way to practise communicating. It can also bring long-lasting rewards,especially for people working with Western businesses. The main activity of debate is presenting one s o
单选题Sarah: Hello. Im calling to rent an apartment you advertised.Manager: Yes. What kind of apartment are you interested in?Sarah: I m interested in a one-bedroom apartment. 56__________?Manager