题目内容
亮晶的存在说明沉积时水动力较强。
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水动力愈弱，泥晶含量愈低。
岩石结构是指组成岩石的颗粒或晶粒的大小、形状和排列，以及岩石胶结物性质，即胶结物质、胶结方式和胶结程度等。
绝大多数的碳酸盐岩都与生物直接或间接有关，很多都由生物或生物碎屑组成。
Directions: In this section, there is a passage with ten blanks. You are requiredto select one word for each blank from a list of choices given in a word bankfollowing the passage. Read the passage through carefully before making yourchoices. Each choice in the bank is identified by a letter. Fill in each blank with aletter. You may not use any of the words in the bank more than once.It seems you always forget your reading glasses when you are rushing to work, yourcoat when you are going to the cleaners, your credit card when you are shopping ...Such absent-mindedness may be1_____to you; now British and German scientistsare developing memory glasses that record everything the2_____ sees.The glasses can play back memories later to help the wearer remember things theyhave forgotten such as where they left their keys. And the glasses also3_____ the user to"label" items so that information can be used later on. The wearer could walk around an office or a factory identifying certain 4_____by pointing at them. Objects indicated arethen given a(n) 5_____ label on a screen inside the glasses that the user then fills in.It could be used in 6_____ plants by mechanics looking to identify machine parts orby electricians wiring a(n) 7_____ device.A spokesman for the project said: “A car mechanic for 8_____could find at a glancewhere a part on a certain car model is so that it can be identified and repaired. For themotorist the system could 9_____ accident black spots or dangers on the road.”In other cases, the glasses could be worn by people going on a guided tour,10_____ points of interest or by people looking at panoramas where all the sites could beidentified.请将以下单词所对应的字母填入横线上（注意：只填字母）A) allowB) instanceC) blankD) industrialE) frustratingF) itemsG) indicatingH) highlightI) userJ) complicatedK) whiteL) annoyingM) successfulN) articlesO) simple
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