Diagnostic Test Mode的中文意思是（）。

The last paragraph implies that diagnostic test ______.

A．will not be as promising as others

B．is a very important development

C．may not be proven valid smoothly

D．will surely be disappointing in the end

A、Sensitivity, specificity and positive likelihood ratio

B、Correlation coefficient, correct index and likelihood ratio

C、Correlation coefficient, coefficient of variation and Kappa value

D、Predicted value, Youden index and coincidence rate

A、Western medicine is based on the physiology and microbiology.

B、Magnetic Resonance Imaging and Captive Test are two common diagnostic methods of western medicine.

C、Chemotherapy is one kind of treatment of traditional Chinese medicine.

D、Microbiology is the study of all living organisms that are too small to be visible with the naked eye.

A．finding out what students know and don’t know

B．measuring students’ general language proficiency

C．knowing whether students have the right language aptitude

D．checking whether students have achieved the teaching objectives

A、MODE SELECT下的TEST键

B、ALTERNATE SYSTEMS下的TEST MODE键

C、PASSENGER SERVICES键

D、不确定

A 21-year-old female presents to the physician’s office with complaints of very painful vulvar ulcers. The patient states she has had the symptoms for approximately 3 days, and they are worsening. She says that prior to the ulcerations, there was a burning and tingling sensation of the skin in the same area. She has noted similar symptoms like this before and has been told it is sexually transmitted. On examination you see multiple extremely tender, vesicular (blister-like) lesions on an erythematous (red) base on both labia major of the vulva. She has a moderate amount of tender inguinal lymph nodes bilaterally. The physician uses a swab to sample the ulcer and send it off for diagnostic analysis. 1.What is the most likely diagnosis？ 2.If the test is for deoxyribonucleic acid (DNA), what method would be used to amplify the fragments of DNA sampled？

【填空题】Troubleshooting Engineer 1: Hey, Amy. Were you able to complete that systems test？ Engineer 2: I was actually just making a report on the results. Engineer 1: Great. So what were you looking at？ Engineer 2: A few people complained that their （1） were slow. So I used several metrics to test both the speed and capacity of the （2）. Engineer 1: What metrics did you use？ Engineer 2: I started with the central （3） unit. I tested it for execution time and throughput. Engineer 1: Good thinking. What did you find？ Engineer 2: Well, there's good news and bad news. Engineer 1: What's the good news？ Engineer 2: The throughput is still fairly high. The computer still processes large amounts of （4） in a short amount of time. Engineer 1: Well, that is good. We need the computers to process instructions quickly. Engineer 2: However, there were some disappointing areas of （5）. Engineer 1: I thought there might be. Engineer 2: Yes. I found that the system CPU time slowed down significantly. Engineer 1: The background system must not be functioning properly. Engineer 2: That's what it looks like. I'm recommending further diagnostic tests.