（1）Thirty years ago,health and nutrition experts confidently

（1）Thirty years ago,health and nutrition experts confidently insisted that children needed at least a glassful of milk a day.In many European countries,the milk was provided free at school,and all children had to drink it unless their parents objected,which was very uncommon.Twenty years later,a different group of experts warned against the dangers of obesity amongst school pupils.Girls,in particular,were putting on far too much weight.The daily diet of milk was put in the dock and found guilty.Milk ceased to be compulsory and was withdrawn completely in many schools.Some journalists suggested that the real reason for providing milk was to create a market for farmers who had a surplus when the plan was first started.
Not long ago,middle-aged people were advised to go jogging if they wanted to stay healthy and live longer.In many places,men (and a few women) in the age group 35-50 could be seen trotting along a road or round a path in a park.Perspiration dripped from their faces but their eyes shone with the conviction that--- however painful it might be--- they were on the road to better health.Doctors now think otherwise.Jogging is out because of its possible effect on the heart and other parts of the body.We could almost speculate that whatever has replaced it will,in due course,be shown to be equally valueless or even positively harmful.
26.The attitude of the writer to health experts could not be called _______.
A) praising B) critical C) unappreciative D) doubtful
27.The confidence mentioned in the first sentence proved to be _________.
A) quite justified B) a device to attack farmers
C) somewhat misplaced D) right in the end
28.If the suggestion made by journalists at the end of the first paragraph is true,the issue of free milk _________.
A) was a waste of a valuable product
B) was good for the country as a whole
C) could not be regarded as something done primarily to help children
D) led to the spread of disease
29.Why did the eyes of joggers shine?
A) They thought they were doing the right thing.
B) They had salt water in them.
C) They only went out when the sun was shining.
D) Running made them very tired.
30.The author thinks that jogging ___________.
A) has been replaced by something very useful
B) may be followed by another method of little use
C) is really more useful than doctors now say it is
D) is better for old people than for middle-aged people

26.A) praising
27.C) somewhat misplaced
28.C) could not be regarded as something done primarily to help children
29.A) They thought they were doing the right thing.
30.B) may be followed by another method of little use