A.I only
B.III only
C.I and III only
D.I, II, and III
第1题
umber of ZABs present in the stack of 3 batteries was increased. Do the results of Trials 1 and 3 support this prediction?
A.Yes, because the final volume was reached sooner in Trial 3 than it was in Trial 1.
B.Yes, because the final volume was reached sooner in Trial 1 than it was in Trial 3.
C.No, because the final volume was reached sooner in Trial 3 than it was in Trial 1.
D.No, because the final volume was reached sooner in Trial 1 than it was in Trial 3.
第2题
In the 2 studies, the purpose of oven-drying the mixed soil was to remove all the:
A.moisture.
B.organic matter.
C.soil test N.
D.amino sugar N.
第3题
l the average speed of the block increase or decrease, and why?
A.Increase, because the weight of the block will increase.
B.Increase, because the weight of the block will decrease.
C.Decrease, because the weight of the block will increase.
D.Decrease, because the weight of the block will decrease.
第4题
om which of the tree species in Plot X and Plot Y, respectively?
A.red maple;red maple
B.red maple;white ash
C.white ash;red maple
D.white ash;white ash
第5题
ed at which the plane is going. Which
of the following would be a logical adjustment of the wing for such jets?
A.At speeds above 500 mph, the top of the wing would become flatter.
B.At speeds above 500 mph, the top of the wing would become more curved.
C.At speeds above 500 mph, the bottom of the wing would become curved.
D.None of the above
第6题
Which of the following test pairs reflects consistent experimental data?
A.Experiment 1, wing design 2;Experiment 2, airspeed 200
B.Experiment 1, wing design 1;Experiment 2, wing design 2
C.Experiment 1, wing design 3;Experiment 3, airspeed 400
D.Experiment 1, wing design 1;Experiment 3, airspeed 400
第7题
Which of the following is loam most likely to contain?
A.Sand
B.Clay
C.Silt
D.It cannot be determined from the information given.
第8题
enetic disorder with either a dominant or a recessive inheritance pattern, which of the following statements is accurate?
A.If neither of Pamela’s parents ever had disease X, then Pamela does not and never will have disease X.
B.If neither Pamela nor the father of Pamela’s child has disease X, then that child will never have disease X.
C.If both of Pamela’s parents had at least one copy of the disease X gene,then Pamela also has at least one copy of the disease X gene.
D.If neither of Pamela’s parents ever had disease X, but Pamela has disease X,then disease X is not a dominantly inherited genetic disorder.
第9题
s, while Species B was not.Supporters of the competing parental interest theory hypothesized that the monogamous species was unlikely to have active imprinted genes (since the fathers would have the same genetic stake in all the offspring born). Which of the following experimental results would they expect?
A.When females from Species A were bred with males from Species B, the resulting offspring were extremely small.
B.When females from Species A were bred with males from Species B, the resulting offspring were extremely large.
C.When females from Species B were bred with males from Species A, the resulting offspring were extremely large.
D.The offspring of Species B mice were consistently smaller than the off-spring of Species A mice.
第10题
re areas compared in Table 2 on page 48 is most reasonable?
A.Nutrient losses in the deforested area will slowly decline while nutrient losses in the undisturbed area will increase.
B.Both the undisturbed and deforested areas will experience increasing losses of nutrients.
C.Nutrient losses in the deforested area will slowly increase while nutrient losses in the undisturbed area will slowly decrease.
D.Nutrient losses in the undisturbed area will remain stable over the longer term while nutrient losses in the deforested area will slowly decline.
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