We must finish the job, no matter () difficult it is.
A. however
B. how
C. whatever
D. what
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患者，30岁，3h前与家人争吵，晚饭后自服对硫磷(1605)，量不详，头晕，头痛，呼吸急促，由家人急送入院，立即给予洗胃，下列哪项错误( )。
A. 插胃管时应避免误人气管
B. 用1:5000高锰酸钾液洗胃
C. 洗胃液每次注入200～300ml
D. 用粗胃管洗胃
E. 先抽光胃内容物再注入洗胃液
热邪壅肺证，可见
A. 咳嗽，咯痰稀白
B. 咳嗽，痰多气泡
C. 咳喘，咯痰黄稠
D. 咳嗽，痰少难咯
E. 咳喘，痰多易咯
The Input Hypothesis was put forward by
A. [A] Chomsky.
B. [B] Sapir.
C. [C] Krashen.
D. [D] Hymes.
Which of the following is the probable title of the passage
A. The British Imperial System.
B. The Customary System.
C. The International System of Units.
D. The Metric System.
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