A、spatial
B、chronological
C、problem-solution
D、topical
A、spatial
B、chronological
C、problem-solution
D、topical
A、is not agree
B、are not agree
C、does not agree
D、do not agree
A、unsatisfactory performance
B、misconduct
C、lack of qualifications for the job
D、one mistake in work
A、there are few substitutes for the products that they sell.
B、switching costs are low.
C、companies in the industry threaten to enter the suppliers' industry.
D、their profitability is significantly affected by the purchases of companies in a particular industry.
E、they refrain from entering their customers' industry because of lack of resources.
A、spread plate
B、streak plate
C、pull plate
D、wound healing
A、crops are left to grow by themselves
B、"hamburger cattle" are reared by farmers on horseback
C、cattle are injected with drugs for quick production of more meat
D、large areas of grassland are used to herd cattle
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