HOC24
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DO ALL VOLCANOES ERUPT ?Some volcanoes are always (1) ______. They are called active volcanoes. Mount Etna in Italy is anactive (2) ______.Some volcanoes have not erupted since prehistoric times. These are (3) ______ extinct volcanoes.Most of the Hawaiian Islands are extinct volcanoes. These volcanoes (4) ______ have a hot spot underthem. They (5) ______erupt anymore.Some volcanoes have not erupted for a long time, (6) ______ they could erupt again. These are calleddormant volcanoes.Scientists try to figure out (7) ______ volcanoes will erupt. Studying volcanoes is hard and dangerouswork. Scientists drill into volcanoes. They (8) ______ maps of the inside of the volcanoes. They usesatellites to study volcanoes (9) ______ space. Scientists have been able to predict a few eruptions. But itis not (10) ______ to tell what a volcano might do.1. A. erupting B. running C. going D. firing2. A. mountain B. volcano C. river D. hill3. A. named B. thought C. called D. said4. A. any longer B. any more C. not more D. no longer5. A. won’t B. can not C. should not D. may not6. A. and B. or C. but D. so7. A. where B. why C. that D. when8. A. do B. create C. build D. make9. A. in B. from C. into D. out of10. A. easy B. difficult C. able D. good