6.On our way to Beijing, we visited Xi’an, a city of two million _______, and stayed there for two days.6 M5 v9 u7 ~+ I) u6 ^
* U5 N5 G& G, O/ l* u5 MA. insects B.human C.inhabitants D.flights q& v4 b. _. b7 Q
6 F4 K' I% s6 @2 T7.One of the main reasons for air pollution is that many cars _______ smoke into the atmosphere., m* o7 y z: _6 i* |3 R
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A.gather B.hire C.discharge D.escape: G( U& ~) O5 C! F3 v: Z/ z
, S3 I! _$ C: a) y2 E+ @& e8.Don’t forget to _______ to let us know you arrived safely.6 V: _) b: S' k0 d' O c- R2 E
# r# M, C+ J7 ] @6 HA.cable B.cage C.border D.bay- N) R5 d4 z0 k j: P' j1 `" s0 E
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9.She gave him a _______ that she could not come to his party.9 c! }8 L3 z, v3 E0 G, V5 p: U
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A.mistress B.shoot C.neck D.hint
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10.When the temperature is below zero, water will _______.* z5 {# o9 r" [% G1 Q
2 M/ B6 L+ a# e& x! r RA.freeze B.virtue C.sink D.seek4 o" s7 M! \, y5 |
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9 n( H6 ?% d$ m$ D% K: r
6.C 7.C 8.A 9.D 10.A |