单项选择题

Less than 15 hours.,15 Hours on average.,Up to 20 hours……

A．Less than 15 hours.
B．15 Hours on average.
C．Up to 20 hours.
D．30 hours at most.

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填空题According to the author, the family model in the late 1940s to early 1960s was that the father went out working while the mother ______.

单项选择题A．Advantages and disadvantages of freezers.B．The best energy-efficient freezer.C．Defrosting a manual defrost freezer.D．Choosing and caring for a freezer.

A．Advantages and disadvantages of freezers.
B．The best energy-efficient freezer.
C．Defrosting a manual defrost freezer.
D．Choosing and caring for a freezer.

单项选择题A．He was eager to do the course.B．He had done a lot of outdoor exercise.C．He enjoyed adventurous activities.D．He was timid and reluctant to go to the course.

A．He was eager to do the course.
B．He had done a lot of outdoor exercise.
C．He enjoyed adventurous activities.
D．He was timid and reluctant to go to the course.

单项选择题A．Parents are more influential than teachers in children’s education.B．Parents are ignorant in making the most of their children’s intelligence.C．Parents are not advised to educate their children before school.D．Parents find it easiest to teach their children to read at home.

A．Parents are more influential than teachers in children’s education.
B．Parents are ignorant in making the most of their children’s intelligence.
C．Parents are not advised to educate their children before school.
D．Parents find it easiest to teach their children to read at home.

单项选择题A．Economical fuel.B．A new kind of fuel.C．Energy saving.D．Air pollution.

A．Economical fuel.
B．A new kind of fuel.
C．Energy saving.
D．Air pollution.