单选题Many of the major supermarket chains have come under fire with accusations ofvarious unethical acts over the past decade. Theyve wasted tonnes of food,Theyveunderpaid their suppliers and the
单选题Natasha: I need to get a job, or l wont be able to stay here next semester. I dont know what to do.Eric:（7）Natasha: What do you mean?Eric: I mean in the library, or in some information cente
单选题Tiny technologies are a key to the future of robots. The old science-fiction notion of a robot pictured a large machine that（请作答此空） .But a visitor to the Artificial Intelligence Laboratory at Cambridg
单选题as it is a driving（3）in our nature
单选题will（2）the way we live in astonishing ways
单选题Face masks are one of the best defenses against the spread of COVID-19,but their growing adoption is having a second, unintended effect: breaking facial recognition algorithms算法.Wearing face masks tha
单选题Passage Three In February 2019, The Kaiser Permanent health system announced a new kind of medical school.The school would be built “from the ground up” to prepare students for the complexities of th
单选题Andrew Carnegie, known as the King of Steel, built the steel industry in the United States, and, in the process, became one of the 46 _____ men in America.His success resulted in part from his ability
单选题When disasters like this happen, we set （aside）whatever pretty disagreements we may have.
单选题Knowledge exposes us to the wonderful diversity of the world and gives a better （perspective） on life.
单选题Many of the major supermarket chains have come under fire with accusations ofvarious unethical acts over the past decade. Theyve wasted tonnes of food,Theyveunderpaid their suppliers and the
单选题He has a （delicate） stomach and often gets sick when travelling.
单选题Andrew Carnegie, known as the King of Steel, built the steel industry in the United States, and, in the process, became one of the 46回答此处 _____ men in America.His success resulted in part from his abi
单选题can also impair our （2）system function
单选题Andrew Carnegie, known as the King of Steel, built the steel industry in the United States, and, in the process, became one of the 46 _____ men in America.His success resulted in part from his ability
单选题A lack of quality sleep not only affects how we feel during the daytime, but （1） ,which is vital in protecting us from common viral illnesses. Efforts nceded to sleepwell that include following a slee
单选题Directions: In this part there are ten sentences, each with one word or phrase .underlined. Choose the one from the, four choices marked A, B, C cand D that bestkeeps the meaning of the sentence. Mark
单选题It sounds like something straight out of a science fiction movie or a silly cartoon: a futurisic traveling tube that can quickly shoot people wherever they want to go,inside a tiny pod.But this may be
单选题Passage Three In February 2019, The Kaiser Permanent health system announced a new kind of medical school.The school would be built “from the ground up” to prepare students for the complexities of th
单选题Steve: Im going over to the gym,（请作答此空）Joseph: Why dont you run outside?Steve: （2） Do you know how cold it is today?Joseph: Yeah, l suppose. l guess it isnt healthy to run in this weath