Parathion has which one of the following characteristics? ( )
A: It
is inactivated by conversion to paraoxon
B: It
is less toxic to humans than malathion
C: It is more persistent in the environment than DDT (dichlorodiphenyltrichloroethane, halogenated hydrocarbon insecticides)
D: It
is poorly absorbed through skin and lungs
E: If
treated early, its toxicity may be partly reversed by pralidoxime
A: It
is inactivated by conversion to paraoxon
B: It
is less toxic to humans than malathion
C: It is more persistent in the environment than DDT (dichlorodiphenyltrichloroethane, halogenated hydrocarbon insecticides)
D: It
is poorly absorbed through skin and lungs
E: If
treated early, its toxicity may be partly reversed by pralidoxime
举一反三
- Early<br/>invasive squamous cell carcinoma of cervical is() A: Not<br/>cross the BM B: Microscopic<br/>invasion of stroma of less than 5mm in depth C: Microscopic<br/>invasion of stroma more than 5mm in depth D: Microscopic<br/>invasion of blood vessel E: Microscopic<br/>invasion of stroma of less than 7mm in depth
- Regarding<br/>the evolution of music genres, which of the following is false? A: Rock<br/>music is the one that has been popular through the decades since its<br/>birth. B: Music<br/>genres of each decade are almost the same. C: Music<br/>genres may grow rise and fall over time. D: Every<br/>decade has its unique music styles.
- According to the<br/>directions, which of the following is true about the new containers?<br/>_____ A: The new<br/>containers are far better than other containers in every way. B: The new<br/>containers will help increase the efficiency of the recycling<br/>program. C: The new<br/>containers hold more than the old containers did. D: The new<br/>containers are less expensive than the old containers.
- Jack<br/>is ____<br/>hardworking than his sister, but he failed in the exam. A: not less B: no less C: not more D: no more
- In patients with heart disease in pregnancy , the following signs which does not belong to the early signs of heart failure? () A: heart rate is more than 110 times/min at rest B: breathing rate is more than 20 times/min at rest C: Liver and spleen are large and tenderness D: Paroxysmal nocturnal dyspnea E: A<br/>few persistent bubble at base of lung didn’t vanish after<br/>coughing