6. John Hanson helped draft instructions for Maryland’s delegates to the Stamp Act Congress. ) A0 i. F" j2 U! X1 z; f A)clarify B)formulate C)revise D)contribute % u3 `8 F1 U8 V* q3 [1 A7. Practically all species of animals communicate either through sounds or through a large repertory of soundless codes. ! E0 k* j# H- {- H; x7 [4 X( ?; n A) Simultaneously B)Almost C)Absolutely D)Basically + ]1 i% N1 Y0 y) W. ]5 x+ \! \# T* }& O8. Sulphur has occasionally been found in the earth in an almost pure state. ( v3 l: R' ~7 j5 H A)regularly B)accidentally C)sometimes D)successfully中华考试网6 K: @2 O9 G" j% N1 I9 u
9. When doves are about two weeks old, they are covered with grey feathers and are ready to try their wings.0 e! b6 n# g U& F% m
A)grow B)wrap C)hide D)test/ j* u0 a# h6 {3 V% v2 _) S
10. I rarely wear a raincoat because I spend most of my time in a car. ' [# v, ~1 v1 c A)normally B)seldom C)continuously D)usually