Children under fifteen are not permitted to see such kind of movies ______ bad for their mental development.

Customers  ______ refuse to filling the questionnaire are not permitted to buy the product. 

The students in a certain physical education class are on either the basketball team or the tennis team, are on both these teams, or are not on either team. If 15 students are on the basketball team, 18 students are on the tennis team, 11 students are on both teams, and 14 students are not on either of these teams, how many students are in the class?

The students in a certain physical education class are on either the football team or the basketball team, are on both these teams, or are not on either team. If 12 students are on the football team, 15 students are on the basketball team, 8 students are on both teams, and 9 students are not on either of these teams, how many students are in the class?

“专升本”属于（）教育。

读网络教育学院非英语专业和非艺术类专业专升本的学生报考统考，除计算机应用基础外，还需报考（）

Children under fifteen are not permitted to see such kind of movies（）bad for their mental development.

Children who are not active or ______ diet is high in fat will gain weight quickly.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

What are the conditions，under GMDSS，whereby a ship is NOT allowed to depart from any port? （）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

Under centrifugal pumps are the volute, diffuser, mixed-flow, axial flow and （） or regenerative types.