【单选题】You must always be careful------ electricity . It's erous.
【单选题】 comparison or contrast, or using simile, metaphor or ogy is a very good way to avoid ______ in an informative speech.
【单选题】In either comparison or contrast, you’d better use different signals in each context to ___________.
A.
emphasize the key points
B.
make the texts more explicit
C.
ensure the coherence and cohesion of the texts
D.
arrange all the sentences in appropriate order
【单选题】软膏剂的储存应
B.
一般在常温下避光、密闭条件下储存,温度不宜过高或过低
【判断题】为了确保操作人员自己操作无误和便于監视操作人员操作,所以在HMI设计中用手动操作的器件文字说明,应在器件的上方位
【判断题】我国的“中国酒店预订网”(www.cbanet.com.cn)就是采用了优惠卡的促销方法。消费者可以通过网络加人这一酒店预订系统,登记注册后,在该系统内的所有酒店住宿均可享受4~5折的优惠。( )