(单选题)14: Health problems are closely connected with bad eating habits and a _____ of exercise. A: limit B: lack C: need D: demand ...
(单选题)6: Are you ( ) with this type of machine? A: similar B: same C: familiar D: like ...
(单选题)22: We love peace, yet we are not the kind of people to yield ______ any military threat. A: up B: to C: in D: at ...
(单选题)15: There are many kinds of metals, ______. A: each having its special properties B: having its special properties C: one has its special properties D: each has its special properties ...
(单选题)46: Prices are _________ at an ever-increasing speed; people are complaining loudly. A: going B: advancing C: progressing D: moving ...
(单选题)45: There are ___ many league members in class 2 ___ in Class 4. A: both; and B: so; that C: either; or D: as; as ...
(单选题)21: Those _____ are selected come to register, please. A: he B: they C: who D: whom ...
(单选题)31: We are now certain ____________ cigarette smoking is harmful to our health. A: that B: what C: if D: for ...
(单选题)49: The best students are ______ special scholarships. A: rewarded B: awarded C: compensated D: refused ...
(单选题)5: In some parks visitors are requested to keep ______ the grass. A: aside B: away C: out D: off ...