患儿，男性，7个月，因"发现心脏杂音7个月"来我院门诊就诊。患儿出生时常规查体发现心脏杂音，但未对此详查。出生体重3.2kg。平素易感冒，患肺炎2次，无紫绀、晕厥史，发育较同龄儿差。门诊查体示：体重5.3kg；心前区未触及震颤。心率128次／分，心律整齐。心音清晰有力，胸骨左缘3～4肋间闻及3／6级柔和的收缩期杂音，肺动脉区第二心音（P2）明显亢进。双下肺闻及少许细湿啰音。唇甲无紫绀。
（提示患儿入院后测四肢血压：左上肢90／50mmHg，右上肢120／65mmHg，左下肢95／55mmHg，右下肢90／55mmHg。四肢经皮血氧饱和度：左上肢98%，右上肢99%，左下肢99%，右下肢99%。）患儿下一步的处理，首选方案是（）
A.完善术前准备，行VSD直视修补术
B.心脏大血管CT
C.心导管和造影检查
D.复查超声心动图
E.静脉应用血管活性药物控制血压
F.口服降压药控制血压
参考答案：B
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| Dick works in a factory. It is ① his home. Every day he ② to work in the morning and back home in the evening. One day, he came home late and didn't look ③ . His wife saw his ④ , and asked him, "Why don't you feel happy? Are you not ⑤ , dear?" "Yes, I'm quite well. But I'm very angry ⑥ the bus ticket was three pence (便士) last week. But today it is two only. " "That's ⑦ ," his wife said. "The bus ticket is cheaper now. You ⑧ save (节省) two pence every day. " But Dick said, "No, you're a fool. I walked to work and back home every day ⑨ .I saved six pence every day, but now I have two pence ⑩ . |
| （ ）①A.to （ ）②A. rides （ ）③A. sorry （ ）④A. bay （ ）⑤A. well （ ）⑥A. so （ ）⑦A. bad （ ）⑧A.can't （ ）⑨A. next week （ ）⑩A. less | B. from B. drives B. happy B. hand B. hungry B. or B. wrong B. mustn't B. last week B. more | C. near C. runs C, strong C. face C. full C. and C. right C. can C. yesterday C.can | D. away D. walks D. ill D. bus D. empty D. because D. must D. must D. today D. much |