Ⅲ. Cloze Test: Select the most appropriate item for each blank (30%)
Passage I.
 The Ring of Fire, also referred to as the Circum-Pacific Belt, is a path __(31)__ the Pacific Ocean characterized by activevolcanoes and frequent earthquakes. Seventy-five percent of Earth's volcanoes– more than 450 volcanoes—are located along theRing of Fire. Ninety percent of Earth's earthquakes occur along its path, including the planet's most violent and dramatic seismic.events. The__ (32)__ of volcanoes and earthquakes along the Ring of Fire is caused by the amount of movement of tectonicplates in the area. Along much of the Ring of Fire, plates overlap at __(33)__ boundaries called subduction zones. That is, theplate that is underneath is pushed down, or subducted, by the plate above. As rock is subducted, it melts and becomes magma. Themagma so near to Earth's surface gives rise to conditions __(34)__ for volcanic activity. A significant exception is the borderbetween the Pacific and North American Plates. This stretch of the Ring of Fire is a transform boundary, where plates move sidewayspast one another. This type of boundary generates a large number of earthquakes as __(35)__ in Earth's crust builds up and isreleased.
【題組】31.
(A)along
(B) alone
(C) align
(D) alive