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问题 单项选择题 A3/A4型题

某猪群病猪出现剧痒、皮肤损伤、脱毛、结痂、增厚乃至龟裂以及消瘦等症状

该病最可能的诊断是（）

A．蜱感染

B．疥螨病

C．痒螨病

D．蠕形螨病

E．血虱感染

答案

参考答案：B

句型转换

根据划线部分提问。

1. She's from Tianjin, China.

                                             

2. This boy is Gao wei.

                                             

3. My father is a doctor.

                                              

4. He's a policeman.

                                              

5. I'm Grade Four.

                                              

6. My name's Jenny.

                                              

7. I'm Number Thirteen. 

                                              

8. Seven and eight is fifteen.

                                              

9. It's ten o'clock.

                                              

10. This is an apple in English.

                                              

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单项选择题

分油机中修时所检查的主要部件不包括（）。①水平驱动装置的蜗轮轴和齿轮壳体②垂直驱动装置③制动装置④监测设备

A.①②

B.③④

C.①②③

D.②③④
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