A: yaluronidase
B: asma coagulase
C: streptokinase
D: streptodornase
E: he
F: hemolysin
举一反三
- All<br/>of the following are invasive enzymes except () A: lysozyme B: hyaluronidase C: serum coagulase D: collagenase E: streptokinase
- The most common pathogen that causes acute pyogenic osteomyelitis is ____. A: hemolytic streptococcus B: pseudomonas aeruginosa C: colon bacillus D: streptococcus E: staphylococcus aureus
- Sunlight can be used to ______ electricity. A: producing B: be producing C: have produced D: produce
- which is the major pathogen of the aspiration abscess() A: staphylococcus aureus B: Anaerobic bacteria C: pseudomonas aeruginosa D: Klebsiella pneumoniae E: streptococcus aureus
- When Hitchcock told the customs official he produced “gooseflesh”, what did he mean? A: He produced a lot of geese. B: He produced movies that brought fear and excitement to the audience. C: He liked to produce movies showing gooseflesh. D: He did not want to answer the customs official's question at all.
内容
- 0
Primary infection is that the first time that the host plants are exposed to and infected by a pathogen?
- 1
The primary toxin associated with invasive Clostridium perfringens infection is A: neuraminidase B: alpha toxin C: hyaluronidase D: coagulase
- 2
Read for main ideas:Check (√) the ideas that Mr. Green discussed in his answer.(五句正确，选全才对） A: He explained how much organic fruits and vegetables cost. B: He discussed the kinds of insects that can destroy crops. C: He discussed the use of chemicals in growing regular produce. D: He explained why regular produce may be bad for your health. E: He explained what organic produce is. F: He explained why organic fruits and vegetables are expensive. G: He explained where people can buy organic produce.
- 3
Primary infection is that the first time that the host plants are exposed to and infected by a pathogen? A: 正确 B: 错误
- 4
Secondary infection also refers to the second time a host becomes infected with the same pathogen?