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【简答题】
注意:答案一律用小写字母abcd 1. If I _______ you, I’d join the army. A. am B. was C. were D. would be 2. “If the sun ______ tomorrow, what would we do?” A. will not rise B. would not rise C. did not rise D. does not rise 3. If you ______ to see Mary, what would you tell her? A. are B. will be going C. must D. were 4. I would have said “Hello” to him if I ______ your brother. A. could see B. had seen C. will see D. will have seen 5. If you had wanted to buy a record, what ________? A. would you buy B. had you bought C. would you have bought D. would you be buying 6. If the tablets had dissolved, John ______. A. would probably die B. had probably died C. probably would be died D. would probably have died 7. ________ if you had lost your watch? A. Hadn’t you been upset B. Wouldn’t you be upset C. Weren’t you upset D. Wouldn’t you have upset 8. -----“I was so sorry to hear about Jack.” -----“If he had made more friends here, he might ________.” A. have stayed B. have stay C. stayed D. stay 9. If I had a bike, I ______ it to you yesterday. A. would have lent B. would lend C. would have lend D. could lend 10. ____________, John would not have failed. A. If he has listened to me B. Had he listened to me C. If he listened to me D. As he listened to me 11. Had Alice been more hardworking, she ________. A. had not failed B. would not have failed C. would not fail D. could not be failed 12. -----“Steve made a reservation already.” -----“______ he change his mind, he can cancel it.” A. Should B. Would C. If D. So 13. I wished it _______ but it did. A. occurred not B. did not accur C. had not occurred D. would not occur 14. I _______ Professor Jones had taught me this equation. A. believe B. deeply think C. wish D. suppose 15. The sun rises in the east and sets in the west, so it seems as if the sun _____ around the earth. A. circles B. is circling C. be circling D. were circling
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参考答案:
举一反三
【多选题】下列各项中,属于变动成本的特征的是( )
A.
在相关范围内,成本总额不受产量增减变动的影响。
B.
在相关范围内,其成本总额随着产量增减呈正比例变动。
C.
在相关范围内,其单位产品成本不受产量变动的影响而保持不变。
D.
成本总额的变动与产量的变动不保持严格的比例。
【单选题】下列哪种生物制品在进行安全检定时,需要进行解毒试验 :
A.
抗毒素
B.
类毒素
C.
病毒类疫苗
D.
血液制品
【单选题】推理是学习化学的一种重要方法,但不合理的推理会得出错误的结论。下列推理正确的是 [     ]
A.
碱能使无色酚酞试液变红,通入氨气(NH 3 )后的无色酚酞试液变红,所以氨气是碱
B.
溶液中有晶体析出时,溶质质量减小,所以溶质的质量分数一定减小
C.
分子可以构成物质,所以物质一定是由分子构成的
D.
增大氧气的浓度或增大可燃物与氧气的接触面积,都能促进可燃物燃烧,所以物质在氧气中燃烧比在空气中更剧烈
【单选题】下列哪种生物制品在进行安全检定时,需要进行解读试验:
A.
抗毒素
B.
类毒素
C.
病毒类疫苗
D.
血液制品
【多选题】下列各项中,属于变动成本特征的有( )。
A.
在相关范围内,其成本总额不受产量增减变动的影响
B.
在相关范围内,其成本总额随着产量的增减成比例变动
C.
在相关范围内,其单位产品成本保持不变,不受产量变动的影响
D.
成本总额的变动与产量的变动不存在严格的比例
【单选题】(2008 年河北省)推理是化学学习中常用的思维方法。下列推理正确的是         (   )
A.
酸能使紫色石蕊溶液变红。通入CO 2 后的紫色石蕊溶液变红,所以CO 2 是酸
B.
酸性溶液的pH小于7。食醋是酸性溶液,所以食醋的pH小于7
C.
在同一化合物中,金属元素显正价,所以非金属元素一定显负价
D.
溶液中有晶体析出时,溶质质量减小,所以溶质的质量分数一定减小
【单选题】在轴、键、轮传动机构中,键埋入轴、轮的深度相等,若轮、键、轴三种材料的许用挤压应力分别为:[σ bs1] , [ σ bs2] , [ σ bs3] ,三者之间的合理关系是( )。
A.
[σ bs1]>[ σ bs2]>[ σ bs3]
B.
[σ bs1]σ bs2]σ bs3]
C.
[σ bs2]>[ σ bs1]>[ σ bs3]
D.
[σ bs1]=[ σ bs2]=[ σ bs3]
【多选题】类比推理是化学中常用的思维方法。下列推理正确的是
A.
CO2是直线型分子,推测CS2也是直线型分子
B.
SiH4的沸点高于CH4,推测H2Se的沸点高于H2S
C.
Fe与Cl2反应生成FeCl3,推测Fe与I2反应生成FeI3
D.
NaCl与浓H2SO4加热可制HCl,推测NaBr与浓H2SO4加热可制HBr
【多选题】下列各项中,属于变动成本特征的有( )。
A.
在相关范围内,其成本总额不受产量增减变化的影响
B.
在相关范围内,其成本总额随着产量的增减成比例变动
C.
在相关范围内,其单位产品成本不受产量变动的影响而保持不变
D.
成品总额的变动与产量的变动不保持严格的比例
E.
其单位产品成本随着产量的增加而相应减少
【简答题】“凡外出采访的记者都是可以优先买票的”。下列推理正确的是______。
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