根据工作流程图的绘制要求，下列工作流程图中，表达错误的有()。 A.⑤  B.④

A 4-month-old infant is brought to the pediatrician by his parents because they’re concerned about his frequent respiratory infections, poor feeding habits, frequent vomiting, and colic. The physician notes that the baby has failed to gain expected weight and recommends that the baby have a sweat test performed to detect possible cystic fibrosis. To prepare the parents for the test, the nurse should explain that （）.

A．the baby will need to fast before the test.

B．a sample of blood will be necessary.

C．a low-sodium diet is necessary for 24 hours before the test.

D．a low-intensity, painless electrical current is applied to the skin.

当颈部后屈，会厌上凹变得狭小，残留食物可被挤出，反复进行几次形似点头的动作，同时做空吞咽动作，便可除去残留食物，称为（）

A.空吞咽

B.交互吞咽

C.侧方吞咽

D.点头样吞咽

E.声门闭锁训练

与棉混纺印花人纤短纤其他机织物

《建筑施工升降机安装、使用、拆卸安全技术规程》（JGJ215-2010）：按照《建筑起重机械安全监督管理规定》，施工升降机使用单位应当自安装验收合格（）内，将建筑起重机械安装验收资料、建筑起重机械安全管理制度、特种作业人员名单等向工程所在地县级以上人民政府建设行政主管部门办理建筑起重机械使用登记

A.7天

B.15天

C.30天

D.60天

在（）下，中国的城市通过公费医疗和劳保医疗，农村通过合作医疗等医疗制度保障公众的基本医疗。

A.市场经济体制

B.小农经济体制

C.计划经济体制

D.商品经济体制