Relatively few insects have genes that ___________ .
A.make them vulnerable
B.enable them to attack the pesticide
C.prevent them from resisting the chemical attack
D.allow them to survive the pesticide

The word “documented” in the third paragraph means ________ .
A.recorded
B.noticed
C.viewed
D.reviewed

The phrase “an estimated 3 million people” is closest in meaning to _______ .
A.nearly 3 million people
B.about 3 million people
C.over 3 million people
D.3 million people to be exact

_______ (59)
A.had
B.do
C.did
D.made

_______ (57)
A.when
B.at
C.in
D.since

_______ (56)
A.where
B.then
C.that
D.when

_______ (54)
A.asked
B.got
C.let
D.left

_______ (52)
A.late
B.lately
C.exactly
D.badly

_______ (51)
A.can be
B.are
C.were
D.would be

"If I were you, I'd ask the teacher for help" he said.
A.He suggested asking the teacher for help.
B.He said if he was me, he would ask the teacher for help.
C.He advised me to ask the teacher for help.
D.He told me that he'd ask the teacher for help.