从列出的概念中选择五个,分别填在图示的1,2,3,4,5处,使其正确揭示人造感测器的研制程序:
①克服酶会溶于水而不能反复使用的技术难题
②将酶涂布在高分子膜上
③将带酶的膜催化受质的化学反应
④测定化学物质的浓度变化
⑤计算出原受质的浓度
⑥在基板上印刷碳电极
⑦印刷附着特定酶的膜
⑧裹上多孔的高分子膜
⑨切开同一基片上大量感测元件
A. ①⑥⑦⑧⑨
B. ①②⑥⑦⑧
C. ②⑥⑦⑧⑨
D. ①⑥⑦⑧⑨
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听力原文:M: It's going to rain, we'd better stay at home.
W: Right. And we can watch TV or do some reading.
Q: Why do they like to stay at home?
(12)
A. The weather is not good.
B. They like watching TV.
C. They want to read some books.
D. They aren't allowed to go out.
男性,62岁,近三个月逐渐出现上腹部不适,进食后饱胀,嗳气,纤维胃镜发现大弯侧胃壁上直径1cm大小块状肿物,与周围组织界限不清,病理检查结果示恶性。
该肿瘤Bormam分型
A. Ⅰ型
B. Ⅳ型
C. Ⅲ型
D. Ⅱ型
In the study by the US research team, students were asked to______.
A. put together words of similar meanings
B. remember words and their meanings
C. show their knowledge of words
D. make up lists of related words
【C16】
A. Staying
B. Driving
C. Leavin
D. Missing