* * 的形态学及组织学特征正确的是( )A．平时 * * 前后

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问题单项选择题

* * 的形态学及组织学特征正确的是( )

A．平时 * * 前后壁互相贴近
B． * * 壁有丰富的腺体
C．黏膜覆以单层柱状上皮
D． * * 下端比上端宽
E．下端开口于前庭前部

答案

参考答案：A

听力题

词汇运用（计10分）

小题1:We saw so many famous stars in the new film called The Founding of a Party (建党伟业)_______.(激动)

小题2:What an ________ trip we had in such bad weather! (讨厌的)

小题3:You should be more careful because there are many machines ______ by the button in your hand. (控制)

小题4:I think a computer is one of the greatest ____________ in the world.(发明)

小题5:How long have you _______my dictionary? (借)

小题6:It is even ________ to hike in the mountain in the heavy rain.(tough)

小题7:On their way to sending letters to people, my clever dog saved the two ________ lives.(postman)

小题8:A group of scientists will come to our school to give us some _________ about how to learn English well.(speak)

小题9:The king ordered to have the robber _________ for his crime(罪行). (hang)

小题10:Mr. Wu spent as much time as he could ________ the difficulties to us.(explain)

填空题

为保证厂用母线的电源电压在发生事故或中断时，重要电动机的自启动，在次要电动机上装设（）的（）保护。