我国目前正在实行一个“大豆行动计划”，向城乡居民特别是中小学生提供优质的大豆加工制品，以解决优质蛋白质的摄入量不足。在植物性食物生产中，唯有大豆是可大量直接生产的优质蛋白质食物。专家说，目前我国人们的食物消费中优质蛋白质食物的比例偏小，特别是农村居民的优质蛋白质摄入量不足。最能准确复述这段话主要意思的是______。

A．“大豆行动计划”的对象是城乡居民特别是中小学生
B．在植物性食物生产中，大豆是唯一可大量直接生产的优质蛋白质食物
C．目前我国城乡居民特别是农村居民普遍存在蛋白质摄入量不足的问题
D．我国实行“大豆行动计划”以解决城乡居民优质蛋白质摄入量不足的问题

Today, we’ll talk about what other effects watching TV might produce on children. Children should be (1) a lot of television, many experts and parents agree, but there is at least one circumstance when it might be beneficial: (2) . A recent study conducted by Italian researchers found that children (3) immediately preceding and during blood tests experienced less pain than children whose mothers (4) during the procedure, or children whose mothers were present but (5) .
The research, led by Carlo Brown, MD, at the University of Siena, is published in the Archives of Disease in Childhood. (6) the study. None received any type of anesthesia; the children and their mothers (7) . Both the group whose mothers attempted to distract them from the blood tests and those whose mothers simply observed reported (8) than the group who watched cartoons. For that group, the levels of pain were less and the children were better able to (9) .
One of the possible explanations is that children might have (10) during the procedures, exacerbating their perception of pain. "The higher pain level reported by children during (11) shows the difficulty mothers have in interacting positively (12) in their children’s life," the authors write.
However, they stressed that (13) still provided benefits, noting that the children would (14) during the procedures. "Indeed, children state that having their parent present (15) when in pain," say the authors.
Another possibility offered for consideration is the notion that the (16) might release pain-quelling endorphins. Endorphins, (17) produced by the pituitary gland, resemble opiates in their ability to produce analgesia and a sense of well-being. In other words, they might (18) .
In any case, the study results suggest that health workers should (19) to watch television during painful procedures (20) .