单选题You must ______ yourself, or they will continue to bully you, so you will go on living in disgrace.
单选题The pictures of the Loch Ness Monster show a remarkable resemblance to a plesiosaur, a large water reptile of the Mesozoic era presuming extinct for more than 70 million years. A. supposed B. presumably C. presumptuous D. is presumed
单选题Winds most often come from the coast, and are ______ damp and not too cold.
单选题With the change of red lights, there are long queues of vehicles that wait while a few people who walk across the zebr
单选题The sentence "It's up to you" means "You are the person who ______."
单选题The underlined word "fragile" in the last paragraph is closest in meaning to ______.
单选题Which of the following is an example of the third form of cooperation as it is defined in Paragraph 4?
单选题Nothing has ever equaled the ______ and speed with which the human species is altering the physical and chemical world.
单选题A pigment called melanin protects the ______ layers of skin from sun rays. A. under B. below C. underlying D. underneath
单选题Jupiter ______ perhaps the most important planet of the solar system. A. was B. were C. is D. will be
单选题ssing the last bus, we had no choice but ______ a taxi home. A. to take B. take C. taking D. taken
单选题Because everyone knows, facts speak louder than words. A. Since B. That C. It D. As
单选题There are many different ways of comparing the economy of one nation with those of another.
单选题Contrary______what people generally believe, men, not women, need encouragement more. A．upon B．beside C．to D．at
单选题Critics of the Wright brothers thought that the idea of a flying machine was totally {{U}}preposterous{{/U}}.
单选题Some of the low-end made-in-China mechanical-electronic products are not selling well in export market as compared with what are termed as high-end ones. A. on export market B. in exporting market C. in exported market D. in the export market
单选题Having finished lunch, the case was discussed.
单选题Opposite the square is a very tall building,______top is well above the tops of the others. A. its B. whose C. which D. that
单选题The police let him go, because they didn't find him guilty ______ the murder.
单选题I'll take down your name and address in case you______as a witness.