(单选题)13: Our company has wide experience ________ the textiles line. A: on B: in C: about D: of ...

(单选题)7: We are sending you the samples ________ requested. A: be B: are C: as D: up ...

(单选题)1: The machinery enjoys high popularity in all industries for it ________ functions. A: ineffective B: effective C: affective D: inaffective ...

(单选题)15: When _____, please state your terms of payment and a trade discount for companies that buy in fairly large quantities. A: have reply B: be reply C: to reply D: replying ...

(单选题)9: We specialize _____ all kinds of metals and are always ready to buy in large quantities. A: in B: from C: on D: at ...

(单选题)3: Enclosed is our S/C in duplicate, a copy of which please sign and return ___ us for our file. A: to B: for C: with D: in ...

(判断题)17: I think it is every citizen’s duty to work hard to achieve this goal. A: 对 B: 错 ...

(单选题)11: Our products enjoy __________ in world market. A: most popular B: great popularity C: good seller D: sold ...

(单选题)5: The more _____ you classroom is, the more active your students are. A: interester B: interesting C: interested D: interestest ...

(判断题)19: 在相同条件下，静止土压力要大于被动土压力。 A: 对 B: 错 ...