【单选题】In order to make a stone bounce best on water, one needs to ______.
A.
find a big, round stone
B.
reduce the spin of the stone
C.
make the stone spin as fast as possible
D.
do some complicated mathematical equations
【单选题】They give their pets needles before keeping them at their houses because
A.
they want to stop them from carrying disease
【多选题】(四) 甲研究所与乙公司于2012年8月1日订立买卖合同,合同约定:乙公司向甲研究所购买两台具有特定性能的石墨卷材生产设备,总价款300万元;乙公司应于合同签订之日起3日内向甲研究所支付100万元预付款;甲研究所应于2012年11月1日之前交付第一台设备(乙公司自行提货);乙公司验收设备合格后在11月10日之前付清余款200万元。为了担保乙公司履行付款义务,丙公司在买卖合同的最后一页承诺:“本公司...
E.
若同意解除合同,则不需要再交付剩余设备,也不用返还乙公司100万元预付款
【判断题】华为推出一款新的智能手机huawei P9,那么这款手机是在huawei P7基础上的渐近式创新。
【简答题】A.He needs help to retrieve his files. B.He has to type his paper once more. C.He needs some time to polish his paper. D.He will be away for a two-week conference.
【单选题】Cattle’s two ____ help them to digest food and their fur to keep them warm.
【单选题】A computer usually has all the data it needs______in its memory chips.