READ TEXT V AND ANSWER QUESTIONS 63 TO 70:


damage in "can seriously damage" (ll.1-2) signifies:
READ TEXT V AND ANSWER QUESTIONS 63 TO 70:


damage in "can seriously damage" (ll.1-2) signifies:
READ TEXT V AND ANSWER QUESTIONS 63 TO 70:


The opposite of "clean" in "is very clean" (l.9) is:
READ TEXT V AND ANSWER QUESTIONS 63 TO 70:


The opposite of "bottom" in "the reservoir's bottom" (l.27) is:
READ TEXT I AND ANSWER QUESTIONS 21 TO 29:



When samples are selected "randomly" (l.1), they are picked:
READ TEXT I AND ANSWER QUESTIONS 21 TO 29:



The underlined word in "threatening objects" (l. 7) suggests these objects are
READ TEXT I AND ANSWER QUESTIONS 21 TO 29:



The underlined word in "The downside is that" (l. 27) indicates an aspect which is
READ TEXT I AND ANSWER QUESTIONS 21 TO 29:



actually in " for actually detecting weapons" (l. 31) means:
READ TEXT I AND ANSWER QUESTIONS 21 TO 29:



thus far in "set for it thus far" (l. 37) may be replaced by:
READ TEXT II AND ANSWER QUESTIONS 30 TO 36:

READ TEXT I AND ANSWER QUESTIONS 43 TO 56:


reduce "In an effort to reduce" (l. 1) means: