实验室不用电解水制取氧气的原因是( ) A.装置复杂,制取不便 B.药品昂贵,成

题型:选择题

问题:

实验室不用电解水制取氧气的原因是(  )

A.装置复杂,制取不便

B.药品昂贵,成本太高

C.收集困难,不易验证

D.条件太高,不易达到

考点:电解水实验水的组成
题型:选择题

做匀加速直线运动的火车,车头通过路基旁某电线杆时的速度是1m/s,车尾通过该电线杆时的速度是7m/s,那么,火车中心位置经过此电线杆时的速度是

A.3.5m/s

B.4m/s

C.5m/s

D.5.5m/s

题型:选择题

施工现场质量管理检查记录资料包括()。

A.各种试验检验报告(工程材料质量记录)

B.施工单位现场质量管理制度

C.工程质量检验制度

D.现场材料、设备存放与管理资料

E.项目监理机构的验收资料(施工过程作业活动质量记录资料)

题型:选择题

句型转换。

1. However you look at it, it's going to cost a lot. (同义句)

    ____ _____ _____ you look at it, it's going to cost a lot.

2. He asked me to get on his car when I was walking on a lonely street.  (同义句)

    He ____ me ____ ____ when I was walking on a lonely street.

3. Do you know when we will visit the Great Wall?  (同义句)

    Do you know when ____ ____ the Great Wall?

4. The firm has offered a good car for me.  (同义句)

    The firm has ____ me ____ a good car.

5. I would like to have a cup of coffee.  (同义句)

    I ____ ____ having a cup of coffee.

6. "Will you go to the cinema tomorrow?" she asked me. (间接引语)

    She asked me ____ I ____ go to the cinema the next day.

7. Could you tell me how to get to the post office?  (同义句)

    Could you tell me ____ ____ ____ the post office?

8. The boy looks like his brother.  (同义句)

    The boy ____ ____ ____ his brother.

9. She was seen to come out of the library by him. (主动语态)

    He ____ ____ ____ out of the library.

10. I think the most helpful invention is the light bulb. (对划线部分提问)

      ____ do you think ___ the most helpful invention?

题型:选择题

古诗鉴赏。

(1)杜甫的《望岳》一诗中的千古名句是                                   ,                                     。

(2)这两句诗集中表现了青年杜甫怎样的思想感情? 

                                                                                                                                                               

题型:选择题

患者女,34岁,1年前发现右乳肿物,在当地诊为“纤维腺瘤”,近1个月增大迅速。触诊:右乳外上象限肿物,质硬,边界尚清,活动可,右腋下可及2枚淋巴结,有融合,较大者直径为2cm。钼靶X线征象:右侧乳腺直径2cm高密度影,可见砂砾样钙化,BI-RADS5级。右乳肿物粗针穿刺示浸润性乳腺癌,非特殊型,Ⅲ级8分,ER阴性,PR阴性,HER2(+++)。右腋窝淋巴结细针穿刺可见癌细胞。

该患者的最佳综合治疗方法为()

A.先手术,后化疗

B.先行新辅助化疗,再手术

C.先行新辅助化疗联合曲妥珠单抗治疗,再手术

D.先行新辅助化疗联合曲妥珠单抗治疗,再手术,继续完成化疗后行放疗

E.先行新辅助化疗联合曲妥珠单抗治疗,再手术,继续完成化疗后行放疗,之后辅以内分泌治疗

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