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【多选题】
下列说法错误的是( )
A.
可增大晶体颗粒,并能除去被吸留的杂质
B.
要得到颗粒较大的晶形沉淀,沉淀剂必须过量,因此沉淀反应较浓的溶液中进行
C.
沉淀反应中,沉淀剂的用量等于理论值即可满足要求
D.
从高温电炉里取出灼烧后的坩埚,应立即放入干燥器中予以冷却
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【单选题】妊娠合并心脏病,产褥期的健康指导正确的是:
A.
禁止预防性使用广谱抗生素
B.
产后24小时内应下床活动防止静脉血栓形成
C.
心功能Ⅲ级以上可以母乳喂养
D.
产后72小时内严密观察生命体征
E.
需绝育者,一般产后30天行结扎术
【单选题】You can use the Font group on the Home tab and ____ dialog box to add borders and a colored background to one or more cells.
A.
Format
B.
Format Cells
C.
Font
D.
Cells
【简答题】在窗体上添加一个名称为Text1的文本框和一个名称为Command1的命令按钮,然后编写如下事件过程: Private Sub Command1_Click() Dim a(10,10)As Integer Dim i,j As Integer For i=2 To 4 For j=3 To 6 Next i Text1.Text=a(2,3)+a(4,6) End Sub 程序运行后,单击命令按...
【单选题】四大切花不包括
A.
菊花
B.
兰花
C.
康乃馨
D.
月季
【单选题】当 x → 0时与 sin x 等价的无穷小是( )
A.
tanx
B.
1-cosx
C.
ln(1+2x)
D.
1- e x
【单选题】妊娠合并心脏病,产褥期的健康指导正确的是
A.
禁止预防性使用广谱抗生素
B.
产后24小时内应下床活动防止静脉血栓形成
C.
心功能三级以上可以母乳喂养
D.
产后72小时内严密观察生命体征
E.
需绝育者,一般产后30天行结扎术
【单选题】传统世界四大鲜切花不包括以下哪一种
A.
月季
B.
唐菖蒲
C.
香石竹
D.
非洲菊
【判断题】所谓采购计划,就是关于采购全过程的活动计划。
A.
正确
B.
错误
【多选题】Select the sentences that use reported speech.
A.
In spite of all the years spent in school preparing to enter the workplace, many recent graduates say that they have difficulty adjusting to life on the job.
B.
Joseph Lewis notes that in school you advance each year, but at work the same isn’t true.
C.
In the workplace, employees must regularly interact with others and are often dependent on their coworkers for their success.
D.
Many people wonder how we can better prepare young adults for the workplace.
E.
One recent report tells educators that less time should be spent on testing in school.
F.
In the article, some recent graduates explain what current students can do to prepare.
G.
Volunteering part-time at a company, hospital, or government organization can help one gain experience and learn skills needed to succeed in the real world.
H.
Other graduates feel there should be more focus on developing writing and public speaking skills.
【单选题】妊娠合并心脏病,产褥期的健康指导正确的是:
A.
产后12小时内绝对卧床休息
B.
产后24小时内应下床活动
C.
心功能三级以上可以母乳喂养
D.
产后72小时内严密观察生命体征
E.
需绝育者,一般产后30天行结扎术
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