4 . 阅读下面材料, 在空白处填入适当的内容(不多于3个单词)或括号内单词的正确形式。
If you always hate certain vegetables. you may be more than a picky eater. Instead, you might be a “super-taster”, a person 1 biter genes(苦味基因). Those people who have the “biter genes” are 2.6 times more likely to eat 2 (few) vegetables than others, according to a new study 3 (present)at the annual meeting of the American Heart Association.
“We don’t get the taste of food equally,” said Professor Duffy, an export in the study of food taste. “It could explain some of the differences in our food 4 (prefer)”. About half of us can taste bitter and sweet, so we are not especially sensitive to bitter food. Another 25% are called “non-tasters” to 5 bitter food might be a bit sweeter. The rest of us are 6 (extreme) sensitive to the bitterness that some 7 (plant)develop to keep animals from eating them.
Food scientists are trying to develop ways 8 (reduce)the bitterness in vegetables, in the hope that we can keep “super-testers” from rejecting vegetables. In fact, some vegetables we grow today 9 (be)much sweeter than before.
We might also try to use various cooking methods, either by adding me fat, sweetness, strong flavors like garlic 10 roasting them, to improve the taste of the vegetables.
