<p>Dear colleagues,</p>
<p>could you provide me with expalantions for these questions:</p>
<p>[URL=<a href=“http://imageshack.us/photo/my-images/594/practicetest5s42527.jpg/][IMG]http://img594.imageshack.us/img594/9415/practicetest5s42527.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST5s425-27.jpg]
http://img594.imageshack.us/img594/9415/practicetest5s42527.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/802/practicetest5s10q14.jpg/][IMG]http://img802.imageshack.us/img802/7339/practicetest5s10q14.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST5s10q14.jpg]
http://img802.imageshack.us/img802/7339/practicetest5s10q14.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/444/practicetest5s10q13.jpg/][IMG]http://img444.imageshack.us/img444/671/practicetest5s10q13.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST5s10q13.jpg]
http://img444.imageshack.us/img444/671/practicetest5s10q13.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/836/practicetest5s10q8.jpg/][IMG]http://img836.imageshack.us/img836/7134/practicetest5s10q8.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST5s10q8.jpg]
http://img836.imageshack.us/img836/7134/practicetest5s10q8.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/205/practicetest5s9q14.jpg/][IMG]http://img205.imageshack.us/img205/2639/practicetest5s9q14.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST5s9q14.jpg]
http://img205.imageshack.us/img205/2639/practicetest5s9q14.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/856/practicetest5s6q30.jpg/][IMG]http://img856.imageshack.us/img856/7694/practicetest5s6q30.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST5s6q30.jpg]
http://img856.imageshack.us/img856/7694/practicetest5s6q30.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/826/practicetest5s6q28.jpg/][IMG]http://img826.imageshack.us/img826/5151/practicetest5s6q28.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST5s6q28.jpg]
http://img826.imageshack.us/img826/5151/practicetest5s6q28.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/4/practicetest5s6q25.jpg/][IMG]http://img4.imageshack.us/img4/8362/practicetest5s6q25.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST5s6q25.jpg]
http://img4.imageshack.us/img4/8362/practicetest5s6q25.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/804/practicetest5s6q21.jpg/][IMG]http://img804.imageshack.us/img804/7076/practicetest5s6q21.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST5s6q21.jpg]
http://img804.imageshack.us/img804/7076/practicetest5s6q21.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/69/practicetest5s6q17.jpg/][IMG]http://img69.imageshack.us/img69/5772/practicetest5s6q17.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST5s6q17.jpg]
http://img69.imageshack.us/img69/5772/practicetest5s6q17.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/696/practicetest5s6q11.jpg/][IMG]http://img696.imageshack.us/img696/6084/practicetest5s6q11.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST5s6q11.jpg]
http://img696.imageshack.us/img696/6084/practicetest5s6q11.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/137/practicetest5s5q10.jpg/][IMG]http://img137.imageshack.us/img137/1097/practicetest5s5q10.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST5s5q10.jpg]
http://img137.imageshack.us/img137/1097/practicetest5s5q10.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/692/practicetest5s5q2.jpg/][IMG]http://img692.imageshack.us/img692/9008/practicetest5s5q2.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST5s5q2.jpg]
http://img692.imageshack.us/img692/9008/practicetest5s5q2.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/40/practicetest5s4q11.jpg/][IMG]http://img40.imageshack.us/img40/3346/practicetest5s4q11.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST5s4q11.jpg]
http://img40.imageshack.us/img40/3346/practicetest5s4q11.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/31/practicetest5s4q4d.jpg/][IMG]http://img31.imageshack.us/img31/1469/practicetest5s4q4d.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST5s4q4D.jpg]
http://img31.imageshack.us/img31/1469/practicetest5s4q4d.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/685/practicetest5s3q18.jpg/][IMG]http://img685.imageshack.us/img685/529/practicetest5s3q18.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST5s3q18.jpg]
http://img685.imageshack.us/img685/529/practicetest5s3q18.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/708/practicetest5s3q17.jpg/][IMG]http://img708.imageshack.us/img708/4811/practicetest5s3q17.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST5s3q17.jpg]
http://img708.imageshack.us/img708/4811/practicetest5s3q17.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/205/practicetest1section6q1.jpg/][IMG]http://img205.imageshack.us/img205/7206/practicetest1section6q1.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST1section6q15.jpg]
http://img205.imageshack.us/img205/7206/practicetest1section6q1.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/259/practicetest1s10q9.jpg/][IMG]http://img259.imageshack.us/img259/815/practicetest1s10q9.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST1s10q9.jpg]
http://img259.imageshack.us/img259/815/practicetest1s10q9.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/844/practicetest1s7q25.jpg/][IMG]http://img844.imageshack.us/img844/2603/practicetest1s7q25.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST1s7q25.jpg]
http://img844.imageshack.us/img844/2603/practicetest1s7q25.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/442/practicetest1s7q11.jpg/][IMG]http://img442.imageshack.us/img442/1316/practicetest1s7q11.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST1s7q11.jpg]
http://img442.imageshack.us/img442/1316/practicetest1s7q11.th.jpg
[/URL</a>]
[URL=<a href=“http://imageshack.us/photo/my-images/338/practicetest1s7q9.jpg/][IMG]http://img338.imageshack.us/img338/7794/practicetest1s7q9.th.jpg[/IMG][/URL”>ImageShack - PracticeTEST1s7q9.jpg]
http://img338.imageshack.us/img338/7794/practicetest1s7q9.th.jpg
[/URL</a>]</p>
<p>Thank you in advance!</p>