【单选题】From the information he gives about himself, it seems that the writer ______.
A.
suffers from a physical deformity
B.
has had all his teeth removed
C.
has some trouble with his eyesight
D.
never gets up in the morning
【单选题】测得某一蛋白质样品的氮含量为2g,此样品约含蛋白质
【单选题】测得某一蛋白质样品的氮含量为1g,此样品约含蛋白质的量为
【单选题】液体内装物充填方法按原理可分 重力灌装、 等压灌装 、真空灌装和机械压力灌装 ,其中汽水、啤酒等液体适用于 。
【单选题】测得某一蛋白质样品的氮含量为0.40g,此样品约含蛋白质为
【简答题】The sports meet, originally due to be held last Friday, was finally _______ because of the bad weather. A) set off B) broken off C) worn off D) called off