cExams.net
Test # 46


1.
Engineers have not yet been able to successfully ________ the power of sunlight for the production of electricity.

Login/Register to access massive collection of FREE questions and answers.
Login/Register

Grammar Examination
Quiz Index
760 questions in 76 tests. Each test contains 10 questions.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76


Word of the Day


Idiom of the Day

live in
to live at the place where one works
The young woman got a job where she could live in with a family with three children.

  • Grooming Tips
  • Christmas Gifts Ideas
  • Idioms Quiz
  • Bangkok
  • 101 Home Design Ideas
  • The Best Value Summer Destinations

  • Guglielmo Marconi

    Microwaves and Papal links

    Although at this stage of his life, Marconi was taking less of a day to day interest in the technology and business affairs of his company he never fully retired.With new radio communications technology becoming available, he was able to investigate the use of very short wavelength signals. In particular he was interested in whether it was possible to establish two way radio communications links over paths that were beyond the line of sight.As Cristina was the daughter of a Vatican official, Marconi established a radio communications link between the Vatican City and Castel Gandolfo, the summer residence for the Pope.


    Chourishi Systems