【简答题】A ______ language is one that still has native speakers but is not being learned by children.
【单选题】Which of the following is NOT the viewpoint of the critics on homeschooling?
A.
Those children who don't go to school are lacking important social skills.
B.
The ability of parents to teach their kids is doubtful.
C.
The home-educated children are able to enter those famous universities.
D.
The home-educated children have little interaction with their peers.
【判断题】学前儿童的精神发育不全又称精神发育迟缓,俗称智力落后。( )
【判断题】合格的转炉煤气经三通阀、水封逆止阀进入煤气柜。
【判断题】每三年,“国际数学家大会”举办一次。()
【判断题】合格的转炉煤气经三通阀、水封逆止阀进入煤气柜。
【单选题】已知基因ABC及其等位基因分别位于不同染色体上,现有一对夫妇,妻子的基因型为AaBBCc,丈夫的基因型为aaBbCc,其子女中的基因型为aaBBCC的比例和出现具有aaB_C_表现型女儿的比例分别为( )
【单选题】 “订单——发货——账单”的循环是 的核心。
【判断题】“国际数学家大会”,每三年会举办一次。()
【单选题】By mentioning the 1964 report on smoking, Jeffrey Koplan implied that ______.
A.
more children tend to smoke today than yesterday
B.
both obesity and smoking require the attention of schools and society
C.
the present plan on obesity would function similarly as a landmark
D.
obesity and smoking are both health problems