6.On our way to Beijing, we visited Xi’an, a city of two million _______, and stayed there for two days.
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A. insects B.human C.inhabitants D.flights, q) p- Y9 X0 }; O; v
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7.One of the main reasons for air pollution is that many cars _______ smoke into the atmosphere.
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1 B6 R$ g. u- L0 {" XA.gather B.hire C.discharge D.escape
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8.Don’t forget to _______ to let us know you arrived safely.
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1 v* d8 F9 ]: a y% k% s6 j. d. KA.cable B.cage C.border D.bay4 e- E9 i. u, B7 P: K8 y
5 r V' ], X* I. X9.She gave him a _______ that she could not come to his party.
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6 k: q- |1 ]' g5 Z3 W% I2 VA.mistress B.shoot C.neck D.hint
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10.When the temperature is below zero, water will _______.
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A.freeze B.virtue C.sink D.seek
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6.C 7.C 8.A 9.D 10.A |