How many mobile phone users will there be in Australia by the year 2000, according to the
A. 3.3 million.
B. Almost half of the population.
C. One third of the population.
D. One fourth of the population.
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若3个月后，锁骨上触及肿大的淋巴结，提示来自食管癌的
A. 淋巴转移途径
B. 血行转移途径
C. 直接浸润
D. 种植转移途径
A．byB．onC．andD．to
A. by
B. on
C. and
D. to
该病人病情严重的最主要的指标是
A. 血压升高
B. 双肺哮鸣音
C. 体温升高
D. PaCO2升高
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