Personality in Americans is further complicated by successive waves of immigration from various countries.

[单选题]We can learn from the text that Americans have a history of___________.A.un

[单选题]Americans still havebeen gaining weight,although they have cut their averag

[单选题]Americans still havebeen gaining weight,although they have cut their averag

[单选题]Americans still havebeen gaining weight,although they have cut their averag

[单选题]Americans still havebeen gaining weight,although they have cut their averag

[单选题]Americans still havebeen gaining weight,although they have cut their averag

[单选题]The SOLAS Convention in its successive forms is generally regarded as the most important of all international treaties concerning the ______of merchant ships.A．pollutionB．economizationC．safetyD．efficiency

[单选题]Forpreschoolers,getting dressed is a [complicated] task.A.funnyB.complexC.s

[问答题]Weakened by the successive storms, the bridge was no longer safe.

[单选题]_____, the negotiation went further on,A.With the first point agreeing onB.