双向传输的数据总线,要增加其负载能力,可用的芯片是()。
A.74LS244
B.74LS245
C.74LS367
D.Intel8282
参考答案:B
田裕,47岁,身高与体重均在正常范围内,过去未曾罹患严重疾病。近日向3年前已经投保20万元终身寿险的保险公司再投保终身寿险10万元、定期寿险40万元。保险公司依下表要求田裕健康检查,则田裕接受的检查项目是()
A.普检+血检
B.普检+血检+胸部X光
C.普检+血检+胸部X光+心电图
D.普检+血检+胸部X光+运动心电图
情景交际:根据上下文补全对话。
A: Can I 1. you? Would you like something to 2._____? What 3._____ some cakes?
B: No, 4._____. I think I'd like some bread.
A: Would you like something to 5._____?
B: A cup of coffee, please.
A: 6._____ sugar?
B: Yes, 7._____ .
A: Some 8._____ bread?
B: No, the bread is delicious,9. _____ I can't eat 10._____ more. Thank you.