A．$7.
B．$10.
C．$5.
D．$14.

A．The fruit sugar in oranges.
B．The fibre in oranges.
C．Vitamin C in oranges.
D．Calcium in oranges.

A．It can keep your immune system strong.
B．It can assist in your effort to reduce weight.
C．It can easily replace the nutrition of a daily meal.
D．It can help control the rising blood sugar levels.

听力原文：If our products are to compete on the international market, advanced technology is a key element. The higher the technology, the better the products, and the greater the competitiveness.
（28)
A．Our products cannot compete on the international market because of their higher prices.
B．Our products exhibit greater competitiveness even though they lack advanced technology.
C．Advanced technology will increase our expense to compete on the international market.
D．Advanced technology contributes to the excellence and competitiveness of our products.

I've known the joy of seeing some of my students' work published.
A．我知道当一些学生的作品得以发表时，他们心中充满了喜悦。
B．令我感到高兴的是，我看到一些学生的作品在报刊杂志上登出或出版。
C．当看到一些学生的作品得以发表，我尝到了其中的喜悦。
D．我心中充满了看到一些学生的作品得以发表的喜悦。

I've known the joy of seeing some of my students’work published.
A．我知道当一些学生的作品得以发表时，他们心中充满了喜悦。
B．令我感到高兴的是，我看到一些学生的作品在报刊杂志上登出或出版。
C．当看到一些学生的作品得以发表，我尝到了其中的喜悦。
D．我心中充满了看到一些学生的作品得以发表的喜悦。