【单选题】【消耗次数：1】
与普萘洛尔的叙述不相符的是（）。
①
结构中含有萘环
②
结构中含有异丙氨基丙醇
③
属于β受体拮抗剂
④
属于心血管类药物
⑤
属于α受体拮抗剂
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相关题目
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下列叙述中哪一项与普萘洛尔相符（）。
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属于芳氧丙醇胺类结构类型的药物，芳环为萘环
②
为选择性β1受体拮抗剂
③
临床使用其左旋体
④
为选择性β2受体拮抗剂
⑤
临床使用其右旋体
【单选题】
竞争性拮抗剂具有的特点是
①
与受体结合后能产生效应
②
能抑制激动药的最大效应
③
增加激动药剂量时，不能产生效应
④
同时具有激动药的性质
⑤
使激动药量效曲线平行右移，最大反应不变
随机题目
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Nothing must be allowed to ____ with our plans for the weekend.
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influence
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affect
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break
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interfere
【单选题】
Sometimes people just say eight-fifteen____ a quarter past eight.
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out of
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ahead of
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because of
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instead of
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Be quiet! Its rude to ____ people when they are speaking.
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interfere
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introduce
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interrupt
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prevent
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Train services are now back to ____after last week’s strike.?
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ordinary ?
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usual ?
③
normal ?
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natural?
【单选题】
I thought I knew the way, but ____I got lost.
①
somehow
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somewhat
③
anyhow
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anyway
【单选题】
The ____ of the trees grew longer as the afternoon went on. ?
①
images ?
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pictures ?
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photos ?
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shadows ?
【单选题】
The British people and the American people not only speak the same language but ____ a lot of special customs as well.
①
share
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spare
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hold
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carry
【单选题】
“Are you ready for your paper?” “Not yet. I need___ to read through it.”
①
other three minutes
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another three minutes
③
three other minutes
④
more three minutes
【单选题】
____ to speak when the audience interrupted him.
①
Hardly had he begun
②
No sooner had he begun
③
Not until began
④
Scarcely did he begin