1.The Sun, the Moon, and Earth have magnetic fields, and......evidence that the stellar that extend through vast regions galaxies have fields of space.
(A) which is
(B) is
© because
(D) There is
2. The “confederation school” poets of nineteenth-century Canada were primarily nature poets, ----- a wealth of eulogies to Canadian rural life.
(A) and producing
(B) who they produced
© producing
(D) whose production of
3.(Few substances) look less (alike than)coal and diamonds ,yet both (are fashioned) (from same) elemental carbon.
answer D from the same. But how about B (alike than)
4. Communal dance, as a powerful symbol of mutual regard and cooperation group, underlies enduring traditions in folk dancing.
Answer C: how to correct?
5. By using their trunks, elephants can tell the shape of an object and ........ is rough or smooth, or hot or cold.
(A) it
(B) whether it
© how
(D) since it
6. Unique among bivalves, scallops swim extremely well, propelled by jets of water expelled while snapped the shell shut.
7. The developed countries of the world are using up valuable resources at a rate unprecedented human history.
8. The taller of all animals, a full-grown giraffe may be eighteen feet or more high.
9. The bathyscaphe, a free-moving vessel designed for underwater exploration, consists of a Flotation compartment with a observation capsule attached underneath it.
.10. ---- on two people think exactly alike, there will always be disagreement, but disagreement should not always be avoided: it can be healthy if handled creatively.
(A) There are
(B) Why
© That
(D) Because
11.Collagen, a strong rubbery protein, supports the ear flaps and the tip of nose in humans.
12. Free nitrogen is chemically inert and combines with other elements only since veryhightemperaturesor pressures.
13. The harmonica's tones are made by the vibrations of the feeds created by the
blowing and suction to the player.
14. During early nineteenth-century Boston. thearchitect Charles Bulfinch, eager to make the city beautiful, sometimes provided free plans for people building homes.