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【单选题】
文字系统的类型不包括()。
A.
字母音节文字
B.
音节文字
C.
楔形文字
D.
字母文字
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【简答题】There are many kinds of food in the world. Scientists learn a lot about them. They say that there are some kinds of food people must eat every day. For example, people must eat some green and yellow v...
【单选题】Today, there are nearly as many educational opportunities in the______industry as there are hotels.
A.
accessibility
B.
accountability
C.
hospitality
D.
affordability
【单选题】关于死亡概念的描述正确的是:()
A.
用传统的死亡概念对死亡的判断虽然保守但最可靠
B.
通常将死亡分为3个阶段:①濒死期、②脑死亡期、③临床死亡期(呼吸和心跳停止)
C.
临床死亡期(呼吸和心跳停止)是死亡的不可逆阶段
D.
脑死亡状态,如果有呼吸和心跳存在,某些患者经过及时正确地抢救,可望复苏成功
E.
脑死亡是真正意义上的死亡
【单选题】—Are there any balls under the chair? —________.
A.
Yes, there is   
B.
Yes, they are  
C.
Yes, there are
【单选题】卷材搭接缝相邻两幅卷材短边搭接缝应错开,且不得小于()mm。
A.
50
B.
150
C.
200
D.
500
【单选题】贮存于钢瓶内焊接用的CO2 通常为( )
A.
气态
B.
液态
C.
固态
【判断题】依据我国婚姻法的规定,父母与子女间的关系不因父母的离异而消除。
A.
正确
B.
错误
【单选题】贮存于钢瓶内焊接用的CO 2 通常为()
A.
气态
B.
液态
C.
固态
D.
气--液态
【单选题】水准测量观测时水准尺倾斜会使读数
A.
增大
B.
减小
C.
不变
D.
都有可能
【简答题】A.Insects are around long before people were. B.There are far more insects than there are humans. C.Insects lead a happier life than humans do. D.Insects are incredibly adaptable.
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