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【单选题】
优生优育的关键是
A.
备孕和孕期的健康管理
B.
禁止近亲结婚
C.
优生筛查
D.
全面干预
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参考答案:
举一反三
【单选题】声光双控LED实验中, 光电传感器中接入 的电源。
A.
±5V
B.
+5V
C.
-15V
D.
+15V
【判断题】Friendship is important because it defines what it means to be human.
A.
正确
B.
错误
【简答题】企业国际化的第一个阶段是( )或( )的进出口过程。
【单选题】The world is trying every means to _____ the friendship between the two countries.
A.
raise
B.
promote
C.
arise
D.
protest
【单选题】根据个人所得税法律制度的规定,下列各项中,不免征个人所得税的是( )。( 2018 年)
A.
个人转让著作权所得
B.
国家规定的福利费
C.
保险赔款
D.
退休工资
【单选题】A common assumption about the private sector of education is that it caters only to the elite. 【C1】______ recent research points in the opposite direction. If we want to help some of most 【C2】______ g...
A.
In addition
B.
On the contrary
C.
In effect
D.
In general
【单选题】抗链球菌溶血素O试验属于
A.
补体结合试验
B.
中和试验
C.
溶血试验
D.
沉淀反应
E.
协同凝集试验
【单选题】A common assumption about the private sector of education is that it caters only to the elite. 【C1】______ , recent research points in the opposite direction. If we want to help some of most【C2】______ ...
A.
In addition
B.
On the contrary
C.
In effect
D.
In general
【多选题】正确的采集鲜切花的方法是(  )。
A.
徒手拉拽
B.
剪刀剪取
C.
小刀切取
D.
整株拔起
【单选题】The people in that remote area still live on humble means because the economy there is underdeveloped.
A.
difficult
B.
modest
C.
arduous
D.
domestic
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