【判断题】在受到病原物侵染之前,许多健康植物体内就含有多种抗菌性物质,如酚类物质、皂角苷、不饱和内酯、芥子油、有机硫化合物、糖苷类化合物等。
【多选题】用户在选择商品化通用会计软件时,应着重考查会计软件的方面有( )。
【单选题】食品中含少量或微量的化学物质如黄酮类、多酚、皂苷类化合物、肽类、低聚糖、多价不饱和脂肪酸、益生菌类等,这些成分的功能属于食品的
【单选题】My roommate Tony is very untidy. He has brown hair and blue eyes. He leaves his laundry on the floor. When he cooks, he never washes the dishes. For a while, he had a bicycle on his bed. It is not sur...
A.
He has brown hair and blue eyes.
B.
He leaves his laundry on the floor.
C.
When he cooks, he never washes the dishes.
D.
For a while, he had a bicycle on his bed.
E.
It is not surprising that Tony can never find anything.
【单选题】Tony and Jeff _____ study Chinese, so they can speak Chinese. [ ]
【多选题】用户在选择商品化通用会计软件时,应着重考查会计软件的方面有( )。
【简答题】(2019年建造师)某工程持续时间2天,有两项紧前工作和三项紧后工作,紧前工作的最早开始时间分别是第3天、第6天(计算坐标系),对应的持续时间分别是5天,1天;紧后工作的最早开始时间分别是第15天、第17天、第19天,对应的总时差分别是3天、2天、0天。该工作的总时差是( )天。
【单选题】Tony will never forget the days _____ he lived in China with his mother,_____ has a great effect on his life. [ ]
【多选题】用户在选择商品化通用会计软件时,应着重考查会计软件的方面有( )。
【单选题】–To tell the truth,Tony,it never occurs to me that you are an athlete. – ___________Most people,including some friends of mine,don’t think so,either.