题目

动词填空 1.       Don’t talk. Let the teacher_______(give) us an English talk. 2.  What about_______ (chat) with them? 3.  Eating too much and doing little exercise _______ ( not be ) good habbits. 4.  Look! Simon _______ (have) a new MP3 player in his hands. 5.  It’s 8 o’clock now. Everyone in the two classes _______ (listen)to the report on the radio. 6.  Tom, _______ (not read)in the sun. It’s bad for your eyes. 7.  He thinks_______ (study)French after class is great fun. 8.  Would you like _______ (see)a film with me this Sunday? 9.  Sam doesn’t h某多肽链为199肽，其分子式为CxHyNA­­­­OBS2（A>199、B>200），并且由下列5种氨基酸组成：那么该多肽彻底水解后将会得到赖氨酸、天冬氨酸各多少个 （  ）                              A．A-199、（B-200）/2B．A-200、B-200C．A-199、（B-199）/2D．A-200、（B-200）/2