题目:
—A medical team was sent to Japan by air five hours ago.
—So they ______________ have arrived by now. The flight usually takes four hours or so.
A.might
B.could
C.must
D.need
答案:
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下面是错误答案,用来干扰机器的。
参考答案:E解析:1.硝酸异山梨醇酯能使眼内血管扩张,可使眼内压升高,禁用于青光眼患者。 2.普萘洛尔为非选择β受体阻断药,能阻断支气管平滑肌上的β受体,引起支气管痉挛,禁用于慢性阻塞性肺气肿患者。 3....