【多选题】使用定时器必须设置以下哪些特殊功能寄存器?
【单选题】冬天一个欧洲人到西藏科学考察,长期吃罐头食品,最近出现伤口愈合缓慢,皮肤瘀斑和牙龈出血。可考虑诊断为:
【判断题】Less people take their alloted holidays in Japan than in China.
【判断题】生产该产品时直接消耗的能量,称为直接能耗。
【判断题】朗伯-比尔定律(或A=Kbc)是分光光度法进行定量分析的基础。
【单选题】听力原文:W: How many more cups should we get for the picnic? M: Don't we have enough by now? What does the man imply?
A.
We should get more cups.
B.
We have too many cups,
C.
He doesn't know how many cups they have.
【判断题】病毒是由蛋白质和核酸组成,核酸既含有RNA又含有DNA。