[多选题]保护系统和调节系统一样，由（）组成。
A.感应机构
B.传动放大机构
C.执行机构
D. 液压机构 

Avoid eggs. Drink 8 glasses of water a day. Eating carbs will {{U}} (1) {{/U}}. Nutritional advice such as this has been touted for years but is it accurate {{U}} (2) {{/U}}, according to Wendy Repovich, an exercise physiologist at Eastern Washington University, who did her best to dispel several common {{U}} (3) {{/U}} during a health and fitness summit held recently in Dallas.
"Eating eggs will raise your cholesterol. " This myth started because egg yolks have the {{U}} (4) {{/U}} of cholesterol in any food, Repovich said. However, when eaten in {{U}} (5) {{/U}}, eggs do not contain enough cholesterol to pose health risks, she said. "Most people avoid eggs and {{U}} (6) {{/U}} they have any kind of cardiovascular risk their physicians tell them to avoid eggs, but really, there aren’t {{U}} (7) {{/U}} studies that show that one or two eggs a day really {{U}} (8) {{/U}} to cholesterol levels. "
"Eating carbohydrates mak