G Unseen

1. What does the writer explain in paragraph I? Give ONE answer.COMPLETE THE SENTENCE.He explains why ................. 2. COMPLETE THE SENTENCE.From lines 6-8 we learn why divers ............. 3. What information is given in paragraph II about DSVs? Why they can only remain a few hours underwater. Why they were first designed in the 1960s. What enables them to stay submerged. How they are used in ocean research. 4. What do we learn about the technological developments described in paragraph III? Why they require use of new materials. How they were invented What they could be used for. Where they were first used. 5. According to the advocates mentioned in line 19, why might people live underwater?Give TWO answers from paragraph IV.COMPLETE THE ANSWERS.(1) Because there won’t be .........(2) Because there won’t be ...... 6. Which of the following phrases could replace the word “Nevertheless” in line 25 ? Although it might be difficult and dangerous Although it might be possible and necessary Although it probably won’t happen Although it was never tried before 7. What does the writer explain in paragraph V about living underwater? Why the communities would have to be large. Why so many people dream of it. How it could affect people. Why astronauts might want to do it. Written Presentation.