In general, when replying to an email it is best to __________. A: Reply to all B: Reply to sender C: Reply to some D: Reply to recipient

If a “Please reply by” a ____________ date is included in the invitation, be polite enough to reply by ____________.

2.Image features are an important basis for image analysis and can be divided into two types: natural features and artificial features. Which of the followings are natural features( ) A: A. Temporal features B: B. Spectral features C: C. Edge features D: D. Geometric features

We look forward to ________ . A: receive your early reply B: your reply soon C: hearing from you soon D: your early reply

5. If a “Please reply by a __________ (give) date” is included in the invitation, be polite enough to reply by that date.

8. The offer is firm subject ____ before October 1.A. for your reply reaches us B. for your reply reaching usC. to our receiving your reply D. to your reply arriving at us A: A B: B C: C D: D

The of a reply is requested.

RSVP means "reply".

Match genre and features(副本) Match the main features to the proper genre.

In sand casting, the use of a Core in the Mold Cavity provides（ ） A: external features B: internal features C: internal external features D: none of the above