行星齿轮组中，如果太阳轮和内齿圈同时为主动输入，变速器处于何种档位？（） A.减速档

哪一项不是心肌梗死的并发症

A．心脏破裂
B．梗死后综合征
C．二尖瓣脱垂
D．室壁瘤
E．主动脉窦瘤破裂

根据句意、首字母提示或汉语完成单词。

1. She is s_____ money to buy a new bike.

2. I hope you can p_____ me with some information about next vacation.

3. Badaling is one of vacation s_____.

4. The park is beautiful, but it's become a bit too _____ (游客太多的).

5. The new shop has taken away most of my _____ (顾客).

6. The firm o_____ us a good chance to go abroad.

7. The beautiful girl has a f_____ voice.

幽门螺杆菌含有丰富的（）。

A.蛋白酶

B.尿素酶

C.脂肪酶

D.淀粉酶

E.以上都是

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