How _is your grandmother? She is _. A．ol

词汇运用

1．You need warm clothes to ________(保护) you against cold.

2．It is impossible to make up the ________(失去的) time.

3．I am afraid you can't sit here. sir. This seat is ________(预订的)．

4．Famers used to ________(捕猎) us and the rhinos.

5．He ________(申请) for a job as an English teacher.

6．I wrote a letter ________(建议) that he should carry out the plan at once.

7．It ________(包含) a powerful drug which affects mosquitoes.

8．The new government will come to ________(掌权) next month.

9．Our city will have ________(有效的) measures to stop the pollution.

10．The dog just ________(咬) me in the leg.

如图，有两个量程的电流表，当使用ab两个端点时，量程为1A，当使用ac两个端点时，量程为0.1A，已知电流表的内阻Rg为200Ω，满偏电流为2mA，求电阻R₁、R₂值．

下级单位常规上报监测数据和资料属于（）

A.被动监测

B.主动监测

C.常规监测

D.哨点监测

E.实验室监测

下面哪项表现最能提示为消化性溃疡（）

A.上腹部饱胀不适

B.上腹疼痛呈节律性

C.柏油样便

D.嗳气、反酸明显

E.上腹部压痛

有关窦性P波的描述，下列哪项是错的

A．在大部分导联呈钝圆形，可有轻度切迹

B．P波方向在Ⅱ导联可向下

C．P波时限小于0.12s

D．心率在正常范围时，成人P-R间期为0.12-0.20s

E．P波方向在aVR导联向下