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a. The ________respiratory ______ system of the body lets us breathe in oxygen and breathe out carbon dioxide.(respiration)
b. They kept the animal ________skeleton______ in the museum. (skeletal)
c. He asked for a drink to calm his _____nervosity_________. (nervous)
d. Scientists are studying the chemical’s ____effects__________ on the environment. (effective)
e. In order to work more _____effectively_________, we must do it together. (effective)
f. She is a very ________energetic______ person, she can work all day without feeling tired. (energy)
g. Drama can help children to express their ______emotion________. (emotional)
h. You should pay more attention to your _____health_________, otherwise, it will get worse day by day. (healthy)
i. The wine had made him _______incapable___________ of thinking clearly. (capable)
Exercise 9: Complete each gap with the correct form of the word in brackets.
1. The ___ Digestive _____ (1. DIGEST) system breaks down food into simple substances for the body cells to use. These substances are _absorbed_______ (2. ABSORB) into the bloodstream and waste matter is passed out of the body as urine or faeces. Cells need oxygen to break down and release __energy______ (3. ENERGETIC) in food. The oxygen is taken into the body through the __respiratory______ (4. RESPIRATION) system-the nose, windpipe, or trachea, and two lungs. You take in oxygen from the air when you breathe in and release waste carbon dioxide when you breathe out.
3. Humor, smile and laughter can facilitate communication between employees and managers. They can create a __friendly______work (8. FRIEND) environment where tasks are carried out effectively. Laughing at work combats stress and__unpromotes______ (9. PROMOTE) the relaxation of employees. The good mood and relaxation promoted by the laughter and good humor can increase efficiency and ___productiveness_____(10.PRODUCE). It must be stressed however that the jokes and other forms of humor should never offend anyone.