【判断题】期权交易买方的亏损风险是有限的(以期权费为限)。
【单选题】万向传动装置主要由万向节、中间支撑和()组成。
【简答题】p181 5.16 p182 5.19(1)
【单选题】The author implies that the public should __________.
A.
prepare some foods by frying
B.
avoid fried foods if possible
C.
fry foods for adults but not for children
D.
prepare all foods by frying
【简答题】P181-182 1(1), 2(1), 3
【单选题】“拱手而立表示对长者的尊敬,一般来说,男子行拱手礼时应该( )
【简答题】A frying basket is used to ( ).