阅读，并判断正误，正确的写“A”，错误的写“B”。

( )1. Nick's tennis racket is white.                                                         

( )2. Tony lost his ID card.                                                                 

( )3. The phone number of Lisa is 15674328907.                                               

( )4. If you lose (丢失) a ring, you can call Bill.                                          

( )5. If (如果) you find a set of keys, you can call Lucy. Her telephone number is 13678954320.

硬腭口腔面有一层紧密不易分离的软组织，关于它的组成下列哪项是正确的（）。

A.两层组织，即口腔粘膜及骨膜

B.三层组织，即口腔粘膜、粘膜下组织及骨膜

C.四层组织，即口腔粘膜、浅筋膜、粘膜下层及骨膜

D.五层组织，即口腔粘膜、浅筋膜、粘膜下层及骨膜

E.两层组织，即浅筋膜、骨膜