呼吸补泻法的泻法是
A. 呼气时捻转,吸气时提插
B. 呼气时提插,吸气时捻转
C. 呼气时进针,吸气时出针
D. 呼气时出针,吸气时进针
E. 呼气时捻转,吸气时进针
波动中,波速和介质质元的振动速度相同。
A. 对
B. 错
Task 1 Fill in the blanks with the given words or expressions. Change the form where necessary.1. Our business objects can also be ________ to show the users only information they are interested in.(design)2. Regular exercise is part of a _________ lifestyle. (health)3. Everybody likes to join in this _________ .(active)4. We should take periodic training in _________ ability all over the year.(physically)5. We should _________________ the salt in our diet.(cut down on)6. Seven is two ___________________ nine.(less than)
Task 2 Fill in the blanks with proper words according to the passage.Sit Less, Live LongerThe human body is1. Sitting seems to2 in our lives today.Americans usually sit between four and a3hours a day.A standing desk lets people stand4. You may exercise often. Even that does not mean you can sit for the rest of5.