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【单选题】
关系模型中常用的关系操作包括查询操作和( )操作两大部分A.
更新
B.
插入
C.
删除
D.
修改
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Replying ( ) your enquiry of 26th January, we are glad to quote as follows.
A.
for
B.
with
C.
on
D.
to
【单选题】The fact came up ____ specific speech sounds are recognized by babies as young as 6 months old.
A.
what
B.
which
C.
that
D.
whose
【单选题】关于该患者胃溃疡的治疗，正确的说法是
A.
需长期应用黏膜保护剂以降低溃疡复发率
B.
为降低复发率，需长期服用质子泵抑制剂
C.
只要内镜证实溃疡已经愈合，溃疡就不会复发
D.
根除幽门螺杆菌可以降低溃疡复发率
E.
有消化道出血的溃疡患者必须长期维持治疗
【单选题】-________________ -That sounds interesting. [ ]
A.
Is this your ping-pong bat?
B.
Are these your English friends?
C.
I have a great picture collection.
D.
Do you have a soccer ball?
【单选题】Evidence came up ______ specific speech sounds are recognized by babies as young as six months old.
A.
what
B.
which
C.
that
D.
/
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