A.It is easier to see what you are doing.
B.It pushes the fresh water to the bottom.
C.It will keep the water from coming out.
D.It will keep the liquids from mixing together.
单选题 | 查看答案 | |
单选题 | 查看答案 | |
单选题 | 查看答案 | |
单选题 | The girl __________ to me that she had __________ the book on the shelf. | 查看答案 |
单选题 | 查看答案 | |
单选题 | 查看答案 | |
单选题 | A pregnant elephant uses inaudible growls to . | 查看答案 |
单选题 | 查看答案 | |
单选题 | By using a sensitive microphone and a GPS tracking system, the researchers wanted to find out . | 查看答案 |
单选题 | 查看答案 | |
单选题 | The old man took __________ the story where he left off. | 查看答案 |
单选题 | In which step of the experiment do you add the salt? | 查看答案 |
单选题 | 查看答案 | |
单选题 | She finds her new jobs very __________ but she will never give it up. | 查看答案 |
单选题 | 查看答案 | |
单选题 | What is the passage mainly about? | 查看答案 |
单选题 | It __________ no difference to me whether their team can win the game or not. | 查看答案 |
单选题 | 查看答案 | |
单选题 | 查看答案 | |
单选题 | 查看答案 |