【单选题】【消耗次数：1】
They talked in whispers, but still, I couldn’t help but __________ their conversation.
①
overhear
②
to overhear
③
overhearing
④
overheard
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相关题目
【单选题】
5. Without your help, I couldn’t ______ the details ______.
①
work…at
②
work…out
③
work…on
④
work…up
【单选题】
—Where is John? I couldn’t find him.— .
①
He is very busy
②
I suppose he could have gone to the meeting room
③
I couldn’t agree more
④
He is good.
【单选题】
2.I couldn’t understand why he pretended ______ in the bookstore.
①
to see me not
②
not to see me
③
not see me
④
to see not me
【单选题】
If it _____ for his help, I wouldn’t be a university student now.
①
hasn’t been
②
hadn’t been
③
wasn’t
④
weren’t
【单选题】
A: I rang you several times yesterday but couldn’t get through. B: [填空]. I was busy.
①
Sorry about that
②
Sounds fine
③
I appreciate that
④
Thats all right
【单选题】
I haven’t seen her for years, but I could still ____ her voice on the phone.
①
recognize
②
realize
③
hear
④
know
【判断题】
—Jack still can’t help being anxious about his job interview. —Lack of self-confidence is his___Achilles’ heel___, I am afraid.
①
正确
②
错误
【单选题】
26. I couldn’t go to Jane’s party. It was ______ day I was babysitting for Derek and Linda.
①
the
②
a
③
/
④
one
随机题目
【单选题】
下列叙述中错误的是
①
伯氨喹可引起急性溶血性贫血
②
氯喹对阿米巴痢疾无效
③
青蒿素口服时近期复发率高
④
氯喹对三日疟原虫红内期裂殖体无杀灭作用
⑤
奎宁可用于耐氯喹的恶性疟
【单选题】
25.下列有关β 受体的描述，哪一项是正确的：( )
①
心肌收缩加强与支气管平滑肌舒张均属β1 效应
②
心肌收缩加强与支气管平滑肌舒张均属β2 效应
③
心肌收缩加强与血管平滑肌舒张均属β1 效应
④
心肌收缩加强与血管平滑肌舒张均属β2 效应
⑤
血管与支气管平滑肌舒张均属β2 效应
【单选题】
高敏性是指
①
药物引起的反应与个体体质有关，与用药剂量无关
②
等量药物引起和一般病人相似但强度更高的药理效应或毒性
③
用药一段时间后，病人对药物产生精神上依赖，中断用药，出现主观不适
④
长期用药，需逐渐增加剂量，才可能保持药效不减
⑤
长期用药，产生生理上依赖，停药后出现戒断症状