For questions 26-75 read the sentences and decide which answer, 1,2,3,4 or 5, best fits each space

Text 3

For items 29-31 choose the best answer 1, 2, 3, 4 or 5.

The results of __14__ studies described __15__ the previous section __16__ that the earth is a __17__ planet in which the minerals __18__ segregated or separated according to density __19__ a series of concentric spherical shells or layers distin­guished __20__ their composition and physical properties. Figure 2.4 __21__ our present understanding __22__ the earth's in­terior. The major structural units consist __23­­__­­ a central core composed predominantly of iron and nickel, a thick sur­rounding mantle composed of silicate minerals rich __24__ iron and magnesium, and a crust composed of __25__ light silicate minerals.

14.	1 geophysician	2. geophysic	3. geophysics	4. geophysical	5. geophysicist
15.	1. at	2. in	3. into	4. among	5. on
16.	1. is indicating	2. be indicate	3. indicates	4. has indicated	5. indicate
17.	1.differ	2. differed	3. differing	4. differentiated	5. differentiate
18.	1. has	2. will be	3. are	4. had been	5. is
19.	1. into	2. on	3. at	4. onto	5. between
20.	1. of	2. with	3. in	4. between	5. by
21.	1. summarize	2.summarizes	3. summary	4. have summarized	5. is summarized
22.	1. in	2. at	3. of	4. within	5. out
23.	1. off	2. to	3. in	4. behind	5. of
24.	1. into	2. of	3. in	4. at	5. among
25.	1. relative	2. relate	3. relativeness	4. relatively	5. relation

 

II. ЛЕКСИКО - ГРАММАТИЧЕСКИЙ БЛОК

For questions 26-75 read the sentences and decide which answer, 1,2,3,4 or 5, best fits each space.