问题
单项选择题 A1/A2型题
射频系统不包括的部件有（）
A.射频发射器
B.高压发生器
C.功率放大器
D.发射线圈
E.接收线圈
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
射频系统不包括的部件有（）
A.射频发射器
B.高压发生器
C.功率放大器
D.发射线圈
E.接收线圈
参考答案：B
| 综合填空，用方框中所给词的适当形式填空，使短文正确、通顺、连贯。（每词限用一次） | |
hat, please．" he sad．"Can I try it on, please?" "Of course," the assistant answered and he brought several 2．_______ The man tried them on one by one, but be didn't like 3._____ of them．"This one is big and this one doesn't look very nice and this one must be too cheap．Would you mind 4.______ a few more hats, please?" "Not at all,'" the assistant said．He 5.______ to the back of the shop and brought some 6._____ hats．"Let's try this one．" the man said, "No, I'm afraid it's too wide．" "Let's try that one．" "No, I'm afraid it isn't wide 7._______" the man said． "Would you like to try this one?" the assistant asked． "No．it doesn't look very good" "Shall I bring some more?" the assistant asked．He 8._____ very happy, but he went to the bark of the shop and brought out all the hats．Of course, the man didn't like any of them． "Those hats are not the right size," the man sad．The assistant was very unhappy now．"The hats are all right, sir," he said 9.______ , "but I'm afraid your 10.______ isn't the right size．" |