AEI当安装有标签的车辆经过天线作用范围时,标签依据内存数据对微波信号进行()。
A.信号调制
B.无线调制
C.反射调制
参考答案:C
用动词的正确形式填空。
1、Look, I (dance) beautifully.
2、A: What they (talk) about ? B : They ( talk ) about the stamps.
3、Mary ( cook ) nice food for her family now.
4、A: Why you ( not, turn) off the TV? B: I (watch) the news.
5、It (rain) hard now.
6、Listen, the telephone (ring).
7、A : What the boy (do) on the road ? B : He (ride) a bike.
8、The birds (fly) over the sea.
9、He (sleep) badly.
10、The bananas (get) ripe.
“产后三急”是指
A.发热、腹痛、昏迷
B.下血、眩晕、乳胀
C.心悸、气短、抽搐
D.呕吐、盗汗、泄泻
E.便难、尿闭、汗出