[简答题]According to the passage, the major reason for the decline of the resident stock companies was

[简答题]According to the passage, the major reason for the decline of the resident stock companies was

[单项选择]According to the passage, the major reason that the evidence for the cold fusion phenomenon is suspect is
A. no existing theory can explain the evidence produced by cold fusion experiments
B. the excess production of energy associated with certain cold fusion experiments owe primarily to experimental error
C. too many energy-balance measurements have indicated excess energy, instead of evenly distributed experimental error
D. the total input power in cold fusion experiments has been too low to draw solid conclusions about the fraction of excess power
E. scientists too often regard these experiments as proof of "miracles"

[单项选择]

Passage 1
A major reason for conflict in the animal world is territory. The male animal (1) an area. The size of the area is sufficient to provide food for him, his (2) and their offspring. Migrating birds, for example, (3) up the best territory in the order of "first come, first (4) ." The late arrivals may acquire (5) territories, but less food is available, or they are too close to the (6) of the enemies of the species. (7) there is really insufficient food or the danger is very great, the animal will not (8) . In this way, the members of the species which are less fit will not have offspring.
When there is conflict (9) territory, animals will commonly use force, or a (10) of force, to decide which will stay and which will go. It is interesting to note, however, that animals seem to use (11) the minimum amount of force (12) to dri
A. breed
B. produce
C. mate
D. compete