21世纪大学英语2(Test1-4).ppt

TY Part1_L_Section A1 Part1_L_Section A2 Part1_L_Section A3 Part1L_Section B1 Part1L_Section B2 Part1L_Section C1 Part1L_Section C2 Part1_L_Section C-script1 Part1_L_Section C-script2 Part2_Section _A1 Part2_Section _A2 Part2_Section _B1 Part2_Section _B2 Part2_Section _B3 Part2_Section _C1 Part2_Section _C2 Part2_Section _C3 R_P1.1 R_P1.2 R_P1.3 R_P1_T1 R_P1_T2 R_P1_T3 R_P1_T4 R_P1_T5 R _P2.1 R _P2.2 R_P2.3 R_P2.4 R_P2_T1 R_P2_T2 R_P2_T3 R_P2_T4 R_P2_T5 C 1 C 2 T1 T2 T3 T4 T5 S1 S2 7. The failure of whitebark pine trees to produce cones is a(n) _______. KEY A) rare case B) normal event C) natural disaster D) environmental concern 8. High-quality foods for bears are foods _______. KEY A) rich in fat B) produced by trees C) eaten by humans D) grown in low elevations 9. Hikers are advised to make noises when walking in order to __________. KEY A) frighten bears away B) avoid seeing a bear C) keep bears from attacking D) alarm a possible foraging bear 10. It can be inferred that if a visitor sees a bear, he’d better ____________. KEY A) behave normally B) give it some food C) run away immediately D) try to protect his back Directions: Fill in the following blanks with words that you have learned. “I like animals,” I added, “because they only take out of life what they (1) . They don’t abuse their environment, (2) their water and the air they breathe. They don’t build (3) of mass destruction and use them against others — (4) members of their own species. I like animals because they have no use (5) those things.” Part Ⅳ Cloze (5%) need _____ pollute ______ weapons ________ particularly _________ for ___ “I also like animals,” I continued, “because they don’t dwell (6) things of the past, (7) use them as excuses for behavior in the (8) . And they don’t (9) to live some day