The author refers to the somewhat lower urinary kallikrein levels in black children in order to______.
A. support the thesis that kallikrein levels are inversely related to blood pressure
B. highlight the special health problems involved in treating populations with high concentrations of black children
C. offer a causal explanation for the difference in urinary kallikrein levels between black and white children
D. suggest that further study needs to be done on the problem of high blood pressure among black adults
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このプールは市民なら、だれでもむりょうで利用できます。
A. 有料
B. 無料
C. 無償
D. 無理
The passage is developed primarily by______.
A. testing the evidence supporting a theory
B. describing causes and effects of events
C. weighing the pros and cons of a plan
D. projecting the future consequences of a decision
日本では転職するのが難しいんですか。
A. たんしょく
B. てんしょく
C. うんしょく
D. かいしょく
早く（ ）学校に遅れるよ。
A. 起きろ
B. 起きず
C. 起きるな
D. 起きいて
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