赞题库-背景图
单项选择题

Questions 19 to 21 are based on the passage you have just heard.

A．The cost of the panels is cheap.
B．The shape of the panels is beautiful.
C．The effect of the panels is efficient.
D．The production of the panels is easy.
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热门试题

单项选择题A．The minimum wage is made for servants.B．The minimum wage is made for bus drivers.C．The minimum wage is made for street cleaners.D．The minimum wage is made for unskilled workers.

A．The minimum wage is made for servants.
B．The minimum wage is made for bus drivers.
C．The minimum wage is made for street cleaners.
D．The minimum wage is made for unskilled workers.

单项选择题A．The panels can catch the sun s ray at any angle.B．The panels can gather up sunlight ant any time of day.C．The designation of the panels is precise, computer-cut.D．The panels need to be repositioned for different time of the year.

A．The panels can catch the sun"s ray at any angle.
B．The panels can gather up sunlight ant any time of day.
C．The designation of the panels is precise, computer-cut.
D．The panels need to be repositioned for different time of the year.