下列对细菌耐药性的叙述错误的是（） A.原来敏感的细菌对药物不再敏感 B.耐药菌的产

句型转换：按要求完成下列句子。

1. Dad was very unhappy because I didn't call him last night.  (对划线部分提问)

    ______  ______ Dad very unhappy?

2. I don't know how I can talk with him.  (同义句改写)

    I don't know ______  ______ talk with him.

3. Jane looks more beautiful than Lisa.  (同义句改写)

    Lisa doesn't look ______ beautiful ______ Jane.

4. We should take good care of old people. (同义句改写)

    We should ______  ______ old people well.

5. Jim failed the English exam last week. (同义句改写)

    Jim ______  ______ the English exam last week.

6. He feels disappointed. (就划线部分提问)

    ______ does he ______?

7. Lucy is 8 years old. Lily is 8 old years old, too. (合并成一句)

    Lucy is ______ young ______ Lily.

8. He spent two hours mending the car.

    It             him two hours                          the car.

9. He seems to be happy. (改为同义句)

    _______  _______  _______ he is happy.

将695600保留两个有效数字的近似数是 [ ]

A．690000

B．700000

C．6.9×10⁵

D．7.0×10⁵

玻璃器皿灭菌，宜采用

A．干热空气灭菌
B．滤过除菌
C．气体灭菌
D．热压灭菌
E．流涌蒸汽灭菌

帕金森病好发于青少年。

下列关于左心室肥大的心电图表现，最重要的是（）

A.QRS波群时间增宽

B.QRS波群电压增高

C.额面QRS电轴左偏

D.ST-T异常

E.左心房异常P波