【简答题】已知不等式ax ;当a( )时,不等式的解集为x> 。
【单选题】根据下列表格对应值: x 3.24 3.25 3.26 ax 2 +bx+c -0.02 0.01 0.03 判断关于x的方程ax 2 +bx+c=0的一个解x的范围是( )
【单选题】患者女性,28岁。因截瘫导致尿失禁。该患者需导尿,在导尿过程中护士应注意
D.
见尿液流出后,防止尿管脱落,再插入3~4cm
E.
如需留尿培养标本,用无菌试管接取中段尿5ml
【单选题】This news report mainly talks about ______.
A.
how Beijing is becoming a 21st century city
B.
how many projects are being dealt with to improve Beijing's traffic
C.
how Beijing is being built into the first class Olympic host city
D.
the use of the 20 billion US dollars
【单选题】This news report mainly talks about ______.
A.
how Beijing is becoming a 21st-century city
B.
how many projects are being dealt with to improve the traffic of Beijing
C.
how Beijing is being built into a first-class Olympic host city
D.
the use of the 20 billion dollars
【单选题】监理人员在施工现场辦工程实体关键部位或关键工序的施工质量进行的监督检查 活动称为( )o
【简答题】已知计算公式 (其中A=3.24,B=8.5,C=10.003)
【单选题】根据下列表格的对应值:判断方程ax 2 +bx+c=0(a≠0,a、b、c为常数) 一个解的范围是 [ ]
【单选题】已知等式(ax 2 +bx-5)(ax 2 +bx+25)+c=(ax 2 +bx+10) 2 ,那么c的值为( )
【单选题】患者女性,28岁。因截瘫导致尿失禁。如该患者需导尿,在导尿过程中护士应注意
D.
见尿液流出后,防止尿管脱落,再插入3—4cm
E.
如需留尿培养标本,用无菌试管接取中段尿5ml