2. Patients with type 1 diabetes cannot ________________.

同样，礼金也不能装在白色信封里，而要装在红色信封里。Similarly,______1_______cannot_____2_____awhiteenvelope,butinaredenvelope.

The all nodes（more than 1）in a Huffman tree cannot be even

The decision to relocate for a new school or job cannot help but affect a friendship. (Para. 2)

It cannot 1 that we have made 2 improvements in our work. We should 3 the current favorable conditions and work hard to 4 our set goals.(tangible, deny, attain, cherish)

The all nodes（more than 1）in a Huffman tree cannot be even A: 正确 B: 错误

Consider the following statements: A: Data stored in RAM can be erased or altered. B: Data stored in ROM cannot be erased or altered rather it can be read only. C: oose the correct answer from the codes given below: D: Only 1 E: Only 2 F: Both G: Neither 1 nor 2

Making mistakes inevitable, so do not be discouraged. A: cannot be blamed B: cannot be avoided C: cannot last long D: cannot be found

The word “distinguished” in paragraph 1 cannot by replaced by _____. A: outstanding B: prominent C: famous D: conservative

If the ACF of some model cut off at lag 2, the model will be ____ A: AR(2) B: MA(2) C: ARMA(2,2) D: cannot tell due to lack of information.