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【单选题】
断裂基因转录的过程是A.
mRNA-+hnRNA-+剪接、加帽、加尾-+基因
B.
基因→mRNA- +剪接、加帽、加尾- +hnRNA
C.
基因→hnRNA- +剪接、加帽、加尾- +mRNA
D.
基因→nnRNA- +剪接、加尾- →mRNA
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反馈参考答案：
举一反三
【多选题】关于淋巴结副皮质区,哪项正确
A.
是一片弥散的淋巴组织
B.
位于淋巴小结与髓质之间
C.
含有毛细血管后微静脉
D.
是B细胞聚集区
E.
细胞免疫功能活跃时，此区明显扩大
【单选题】The fire was finally brought under control, but not______ heavy damage had been caused.
A.
before
B.
after
C.
since
D.
until
【单选题】男,62岁,发作性胸痛5年,疼痛放射至左肩,发作持续3-4分钟,休 息后可缓解,今日下午劳作时突发晕厥急诊,查体:BP90/50mmHg,神清, 心率140次/分,主动脉瓣区可闻及收缩期喷射样杂音伴震颤,杂音向颈部 传导,双肺呼吸音清。X线提示左室扩大和升主动脉扩张。最可能的诊断是 ( )
A.
冠心病心绞痛
B.
非对称性肥厚型心肌病
C.
主动脉瓣狭窄
D.
主动脉瓣关闭不全
E.
高血压性心脏病
【单选题】The fire was finally________in Jilin on June 3.Unfortunately,119 people lost their lives.I hope the accident like this won’t happen again．
A.
put out
B.
put away
C.
put up
D.
put on
【单选题】The fire was finally ______ after the building had ______ for two hours.
A.
put off; caught fire
B.
put away; been on fire
C.
put out; been on fire
D.
put out; caught fire
【单选题】The fire was finally after the building had been on fire for two hours.
A.
put off
B.
put away
C.
put out
D.
put up
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