【单选题】The artist said that he hoped ___ drawing the picture soon.
【判断题】国内某公司接受一美国企业委托生产蛋白同化制剂,双方签订了书面委托生产合同,并将委托生产合同报本省食品药品监督管理部门备了案。该公司因此取得在我国国内生产、销售该药品的权利。()
【单选题】TCR、BCR可变区基因重排的机制是( )。
【简答题】23+(-17)+(+7)+(-13)=______.
【简答题】计算:23﹣17﹣(﹣7)+(﹣16).
【单选题】He said the picture ______________ by a famous professor.
【单选题】From what Mr. Collins said, we can know that he ______.
A.
had only an incomplete picture of what happened
B.
heard and saw nothing at all