But for your support then, I don’t think we _____ the task.
A. can manage B. could have managed
C. could manage D. can have managed
高三英语单项填空中等难度题
But for your support then, I don’t think we _____ the task.
A. can manage B. could have managed
C. could manage D. can have managed
高三英语单项填空中等难度题查看答案及解析
Only with a reasonable examination system _____ pick out _____ we think is qualified for the task.
A.we can; any who B.can we; whoever C.we can; anyone D.can we; who
高三英语单项填空中等难度题查看答案及解析
Blood is important to support our lives. But for now, the only way we can get more of it is through donation. And donated blood has its own problems. First of all, certain blood types are extremely rare. Type O negative blood (O-), for example, only 1.(exist) in 7 percent of people, according to Sunday Times. There are fewer 2.(donate) and therefore there isn’t enough of this type of blood for everybody who needs it. In addition, donated blood comes from various people, which means that it has to 3. (examine) carefully for diseases such as HIV to make sure that it’s safe for transfusion(输血).
This is__4. scientists all over the world have been trying to make blood in labs. And now, someone finally succeeded—Marc Turner at the Scottish National Blood Transfusion Service has produced blood fit for transfusion, reported Forbes. Different from many ____5. scientists, who have tried to make blood by mixing up different ingredients together, Turner chose to grow blood 6.(direct) from human stem cells. He developed 7. special technique to create a chemical environment similar to that in our bone marrow (骨髓). This environment encourages stem cells to develop fully 8. red blood cell.
According to Turner, his artificial blood is 9. (likely) to contain disease viruses or produce side effects. And the best part is that 10. he managed to produce was type O- blood. Not only is it a rare blood type, it’s also a universal type, which means it can be transfused into any patient.
高三英语语法填空中等难度题查看答案及解析
Thank you for your hard work last week. I don’t think we _______ it without you.
A. could have managed B. can manage
C. managed D. could manage
高三英语单项填空中等难度题查看答案及解析
Thank you for all your hard work last week. I don’t think we ______ it without you.
A. can manage B. could have managed
C. could manage D. can have managed
高三英语单项填空简单题查看答案及解析
Thank you for all your hard work last week. I don’t think we ____ it without you.
A. can manage B. could have managed
C. could manage D. can have managed
高三英语单项填空中等难度题查看答案及解析
Thank you for all your hard work last week. I don’t think we ______ it without you.
A. can manage B. could have managed
C. could manage D. can have managed
高三英语单项填空中等难度题查看答案及解析
Thank you for all your hard work last week. I don’t think we ______ it without you.
| A．could have managed | B．can manage |
| C．could manage | D．can have managed |
高三英语单项填空简单题查看答案及解析
Thank you for all your hard work last week. I don’t think we _____ it without you.
| A．can manage | B．could have managed |
| C．could manage | D．can have managed |
高三英语单项填空中等难度题查看答案及解析
Thank you for all your hard work last week. I don’t think we _____ it without you.
A. can manage B. could have managed
C. could manage D. can have managed
高三英语单项填空中等难度题查看答案及解析