A、microplankton
B、macroplankton
C、nanoplankton
D、picoplankton
A、Swimming is when you propel yourself through the water with parts of your body.
B、Swimming is a sport in which you propel yourself through the water with parts of your body.
C、A department store is a store where all kinds of commodities are bought.
D、A department store is a place where all kinds of commodities are bought.
A、allowed
B、entitled
C、permitted
D、enabled
A、proto-oncogenes.
B、tumor-suppressor genes.
C、passenger genes.
D、inhibitor genes.
E、driver genes.
【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.
A、This‿ is‿ an‿ apple.
B、Please pick‿ it‿ up.
C、Let‿ me have‿ a look‿ at‿ it.
D、Here‿ is‿ a letter for you.
A、A good title should be as brief as possible. Do not exceed 10 words for a short essay and 20 words for a long one.
B、A well-crafted title should indicate the focal point of your essay clearly and concisely.
C、A good title includes prime keywords that will be sprinkled throughout the essay.
D、A good title should NOT contain “waste words” like “a study of”, “observations on”, “research on”, and “report on”, etc.
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