If it ________ for the heavy rain then, we would have arrived here ahead of time.
【2015·天津】Tom had to______ the invitation to the party last weekend because he was too busy.
【2015·浙江】Studies have shown that the right and left ear sound differently.
【2015·浙江】Body language can a lot about your mood, so standing with your arms folded can send out a signal that you are being defensive.
【2015·浙江】We tend to have a better memory for things that excite our senses or our emotions than for straight facts.
【2015·浙江】If steel is heavier than water, why are ships able to on the sea?