Mary was proud of being chosen to participate in the game and______(她向我们保证她会全力以赴).

单项选择题The author found it the most embarrassing that ______.

单项选择题In order to predict distortions, scientists need to______.

单项选择题A．His stereo disturbs himself, too.B．His stereo sounds like dog barking.C．The neighbors aren’t justified in complaining.D．The neighbors don’t appreciate music at all.

填空题The researchers tend to suggest that we should be______in socializing.

填空题material

单项选择题A．faultyB．defectiveC．mistakenD．wrong

填空题______(与核能引起的弊端相比), the solar power can serve as a better move toward the solution for the problem of energy crisis.

单项选择题Mr. Priestley wanted the author to take part in the festival most probably because ______.

单项选择题A．Spend money more reasonably.B．Find a job to support his family.C．Apply for student loans again.D．Stop worrying about money.

填空题What do fraternal twins have in common in terms of genes