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【判断题】
视图机制虽然有一定的安全保护功能,但不精细,往往不能达到应用系统的要求。( )A.
正确
B.
错误
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举一反三
【单选题】Because many young people go out to work,many old people stay at home
A.
alone
B.
loney
C.
lone
D.
alonely
【简答题】稳压管是一种经过特殊工艺制造成的二极管,它工作在( )区,在电路中起着( )的作用。
【单选题】Section B Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You shoul...
A.
is experiencing dramatic changes
B.
is set in complicated political factors
C.
involves fierce competition between different parties
D.
is developing into two possible opposite directions
【单选题】关于矢量数据的描述,正确的是( )
A.
矢量数据可以精确地表现点、线、面等实体的空间位置和形状
B.
矢量数据是空间信息的唯一表达方式
C.
矢量数据不包含属性信息
D.
矢量数据不能记录地理实体坐标
【简答题】操作热压灭菌柜时应注意的事项中错误的是 A.须使用饱和蒸汽 B.须将灭菌柜内的空气排除 C.灭菌时间应从开始灭菌时算起 D.须使压力逐渐降到零才能放出柜内蒸汽A. 1 B. 1 C. 1 D. 1
【单选题】Section B Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You shoul...
A.
is experiencing dramatic changes
B.
is set in complicated political factors
C.
involves fierce competition between different parties
D.
is developing into two possible opposite directions
【单选题】It would be interesting to discover how many young people go to university without any clear idea of what they are going to do afterwards. If one considers the enormous variety of courses【62】 it is no...
A.
taken
B.
occupied
C.
offered
D.
formulated
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