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【单选题】
在频域上,随机接入前导占用()个资源块对应的带宽
A.
3
B.
6
C.
9
D.
12
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参考答案:
举一反三
【简答题】有一个名为sampl.mdb数据库。修改职工表“employee”,增加“姓名”字段。其数据类型为文本型,长度为6,并对应职工号添加其姓名,见下表: (2)判断并设置表“employee”的主键,同时将上面增加的“姓名”字段隐藏起来。 (3)设置表“employee”的“基本工资”字段的默认值为:1000。 (4)在当前数据库中,对表“employee”做一个备份,命名为表“tEmp”。 (5)设...
【简答题】This is the cat that killed the rat that ate the cake that lay in the house that Jack built.
【多选题】5基本的数据备份类型有
A.
正常备份
B.
完全备份
C.
增量备份
D.
差异备份
【单选题】People in a foreign culture must use gestures______.
A.
cautiously
B.
with great cans
C.
with warnings
D.
Both A and B are correct
【单选题】—How was your weekend? — _________.
A.
I was well
B.
Great, thanks.
C.
t was beautiful
D.
It was late
【单选题】These questions are related to the KXO131Cat database. The command: USE KXO131Cat; will allow you to use this database. This is the relational schema for this database: Address (AddressId, [pk] Street...
A.
| Mayhem | M | 1 |
B.
| Garfield | M | 15 |
C.
| Usagi | M | 8 |
D.
| Trouble | M | 9 |
【简答题】在食品储藏过程中,食品的化学成分会发生化学变化,以致影响食品的食用价值和营养价值,甚至发生腐败变质。而()是影响食品发生化学反应速度的主要影响因素。
【单选题】颅骨可分为
A.
脑颅骨、面颅骨、听小骨
B.
脑颅骨、面颅骨、下颌骨
C.
脑颅骨、面颅骨、颌骨
D.
脑颅骨、面颅骨
【单选题】When testing a CAT5 cable, the technician notices that pin A is open. However, the cable stillworks fine. Which of the following describes how this is possible?()
A.
The cable was tested for 100Base-TX.
B.
The cable is a 1000BaseT cable.
C.
The switch uses link aggregation,
D.
The switch was setup to use MDIX
【多选题】病历摘要:患者女性,59岁,农民,因在吃早餐时突发剧烈头痛伴呕吐2小时于21时急诊就诊,双颞侧头痛明显,持续性,呕吐10余次,既往曾发现血压偏高,查体:T37.3℃,P92次/分,R20次/分,Bp188/85mmHg,神志嗜睡,对答基本切题,双侧瞳孔2.5mm,光反射存在,双侧鼻唇沟对称,颈抵抗,四肢肌张力正常,肌力Ⅴ级,双侧Babinski征(-)。经全脑血管造影,证实患者为前交通动脉瘤,血管...
A.
先天性变异
B.
颅底骨质感染
C.
战争时弹片伤
D.
肥胖
E.
动脉粥样硬化
F.
化脓性脑膜炎
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