The old couple decided to ___a boy and a girl though they had three of their own。

A.fat people eat less food and are less active

B.fat people eat more food than slim people and are more active

C.fat people eat more food than slim people but are less active

D.thin people run less,but have greater increase in food intake

A.30

B.50

C.100

D.150

A.It must be programmed before it works.

B.It can only solve one problem at a time.

C.It is good at solving problems that can be broken down into simpler logical pieces.

D.It is trained to make decisions.

A.can recognize a face

B.cannot learn from its mistakes

C.cannot follow detailed instructions

D.can read a handwritten note

A) understand, improving B) understood, improving

C) understand, to improve D) understood, to improving

A)to shine B)to be shining C)shining D)having shined

A) However 无论如何不管怎样 B) Because 因为 C) As 既然 D) Though 虽然

A) however B) whatever C) no matter D) how

A) even if B) as C) because D) since

A) in spite of B) until C) before D) though